added sub build badges

README.md

@@ -45,70 +45,110 @@ npm install turf-buffer
 
 [![Build Status](https://travis-ci.org/Turfjs/turf-polygon.svg?branch=master)](https://travis-ci.org/Turfjs/turf-polygon) [polygon](https://github.com/Turfjs/turf-polygon)
 
-[![Build Status](https://travis-ci.org/Turfjs/turf-featurecollection.svg?branch=master)](https://travis-ci.org/Turfjs/turf-featurecollection) [featurecollection](https://github.com/Turfjs/turf-featurecollection)
+[![Build Status](https://travis-ci.org/Turfjs/turf-featureCollection.svg?branch=master)](https://travis-ci.org/Turfjs/turf-featureCollection) [featurecollection](https://github.com/Turfjs/turf-featurecollection)
 
 ####joins
-- [inside](https://github.com/Turfjs/turf-inside)
-- [within](https://github.com/Turfjs/turf-within)
-- [tag](https://github.com/Turfjs/turf-tag)
+
+[![Build Status](https://travis-ci.org/Turfjs/turf-inside.svg?branch=master)](https://travis-ci.org/Turfjs/turf-inside) [inside](https://github.com/Turfjs/turf-inside)
+
+[![Build Status](https://travis-ci.org/Turfjs/turf-within.svg?branch=master)](https://travis-ci.org/Turfjs/turf-within) [within](https://github.com/Turfjs/turf-within)
+
+[![Build Status](https://travis-ci.org/Turfjs/turf-tag.svg?branch=master)](https://travis-ci.org/Turfjs/turf-tag) [tag](https://github.com/Turfjs/turf-tag)
 
 ####data
-- [remove](https://github.com/Turfjs/turf-remove)
-- [filter](https://github.com/Turfjs/turf-filter)
-- [sample](https://github.com/Turfjs/turf-sample)
+[![Build Status](https://travis-ci.org/Turfjs/turf-remove.svg?branch=master)](https://travis-ci.org/Turfjs/turf-remove) [remove](https://github.com/Turfjs/turf-remove)
+
+[![Build Status](https://travis-ci.org/Turfjs/turf-filter.svg?branch=master)](https://travis-ci.org/Turfjs/turf-filter) [filter](https://github.com/Turfjs/turf-filter)
+
+[![Build Status](https://travis-ci.org/Turfjs/turf-sample.svg?branch=master)](https://travis-ci.org/Turfjs/turf-sample) [sample](https://github.com/Turfjs/turf-sample)
 
 ####measurement
-- [distance](https://github.com/Turfjs/turf-distance)
-- [nearest](https://github.com/Turfjs/turf-nearest)
-- [bboxPolygon](https://github.com/Turfjs/turf-bboxPolygon)
-- [envelope](https://github.com/Turfjs/turf-envelope)
-- [extent](https://github.com/Turfjs/turf-extent)
-- [square](https://github.com/Turfjs/turf-square)
-- [size](https://github.com/Turfjs/turf-size)
-- [center](https://github.com/Turfjs/turf-center)
-- [centroid](https://github.com/Turfjs/turf-centroid)
-- [midpoint](https://github.com/Turfjs/turf-midpoint)
+[![Build Status](https://travis-ci.org/Turfjs/turf-distance.svg?branch=master)](https://travis-ci.org/Turfjs/turf-distance) [distance](https://github.com/Turfjs/turf-distance)
+
+[![Build Status](https://travis-ci.org/Turfjs/turf-nearest.svg?branch=master)](https://travis-ci.org/Turfjs/turf-nearest) [nearest](https://github.com/Turfjs/turf-nearest)
+
+[![Build Status](https://travis-ci.org/Turfjs/turf-bboxPolygon.svg?branch=master)](https://travis-ci.org/Turfjs/turf-bboxPolygon) [bboxPolygon](https://github.com/Turfjs/turf-bboxPolygon)
+
+[![Build Status](https://travis-ci.org/Turfjs/turf-envelope.svg?branch=master)](https://travis-ci.org/Turfjs/turf-envelope) [envelope](https://github.com/Turfjs/turf-envelope)
+
+[![Build Status](https://travis-ci.org/Turfjs/turf-extent.svg?branch=master)](https://travis-ci.org/Turfjs/turf-extent) [extent](https://github.com/Turfjs/turf-extent)
+
+[![Build Status](https://travis-ci.org/Turfjs/turf-square.svg?branch=master)](https://travis-ci.org/Turfjs/turf-square) [square](https://github.com/Turfjs/turf-square)
+
+[![Build Status](https://travis-ci.org/Turfjs/turf-size.svg?branch=master)](https://travis-ci.org/Turfjs/turf-size) [size](https://github.com/Turfjs/turf-size)
+
+[![Build Status](https://travis-ci.org/Turfjs/turf-center.svg?branch=master)](https://travis-ci.org/Turfjs/turf-center) [center](https://github.com/Turfjs/turf-center)
+
+[![Build Status](https://travis-ci.org/Turfjs/turf-centroid.svg?branch=master)](https://travis-ci.org/Turfjs/turf-centroid) [centroid](https://github.com/Turfjs/turf-centroid)
+
+[![Build Status](https://travis-ci.org/Turfjs/turf-midpoint.svg?branch=master)](https://travis-ci.org/Turfjs/turf-midpoint) [midpoint](https://github.com/Turfjs/turf-midpoint)
 
 ####interpolation
-- [tin](https://github.com/Turfjs/turf-tin)
-- [grid](https://github.com/Turfjs/turf-grid)
-- [planepoint](https://github.com/Turfjs/turf-planepoint)
-- [isolines](https://github.com/Turfjs/turf-isolines)
-- [isobands](https://github.com/Turfjs/turf-isolines)
+[![Build Status](https://travis-ci.org/Turfjs/turf-tin.svg?branch=master)](https://travis-ci.org/Turfjs/turf-tin) [tin](https://github.com/Turfjs/turf-tin)
+
+[![Build Status](https://travis-ci.org/Turfjs/turf-grid.svg?branch=master)](https://travis-ci.org/Turfjs/turf-grid) [grid](https://github.com/Turfjs/turf-grid)
+
+[![Build Status](https://travis-ci.org/Turfjs/turf-planepoint.svg?branch=master)](https://travis-ci.org/Turfjs/turf-planepoint) [planepoint](https://github.com/Turfjs/turf-planepoint)
+
+[![Build Status](https://travis-ci.org/Turfjs/turf-isolines.svg?branch=master)](https://travis-ci.org/Turfjs/turf-isolines) [isolines](https://github.com/Turfjs/turf-isolines)
+
+[![Build Status](https://travis-ci.org/Turfjs/turf-isobands.svg?branch=master)](https://travis-ci.org/Turfjs/turf-isobands) [isobands](https://github.com/Turfjs/turf-isolines)
 
 ####classification
-- [quantile](https://github.com/Turfjs/turf-quantile)
-- [jenks](https://github.com/Turfjs/turf-jenks)
-- [reclass](https://github.com/Turfjs/turf-reclass)
+[![Build Status](https://travis-ci.org/Turfjs/turf-quantile.svg?branch=master)](https://travis-ci.org/Turfjs/turf-quantile) [quantile](https://github.com/Turfjs/turf-quantile)
+
+[![Build Status](https://travis-ci.org/Turfjs/turf-jenks.svg?branch=master)](https://travis-ci.org/Turfjs/turf-jenks) [jenks](https://github.com/Turfjs/turf-jenks)
+
+[![Build Status](https://travis-ci.org/Turfjs/turf-reclass.svg?branch=master)](https://travis-ci.org/Turfjs/turf-reclass) [reclass](https://github.com/Turfjs/turf-reclass)
 
 ####aggregation
-- [average](https://github.com/Turfjs/turf-average)
-- [median](https://github.com/Turfjs/turf-median)
-- [sum](https://github.com/Turfjs/turf-sum)
-- [min](https://github.com/Turfjs/turf-min)
-- [max](https://github.com/Turfjs/turf-max)
-- [count](https://github.com/Turfjs/turf-count)
-- [deviation](https://github.com/Turfjs/turf-deviation)
-- [variance](https://github.com/Turfjs/turf-variance)
-- [aggregate](https://github.com/Turfjs/turf-aggregate)
+[![Build Status](https://travis-ci.org/Turfjs/turf-average.svg?branch=master)](https://travis-ci.org/Turfjs/turf-average) [average](https://github.com/Turfjs/turf-average)
+
+[![Build Status](https://travis-ci.org/Turfjs/turf-median.svg?branch=master)](https://travis-ci.org/Turfjs/turf-median) [median](https://github.com/Turfjs/turf-median)
+
+[![Build Status](https://travis-ci.org/Turfjs/turf-sum.svg?branch=master)](https://travis-ci.org/Turfjs/turf-sum) [sum](https://github.com/Turfjs/turf-sum)
+
+[![Build Status](https://travis-ci.org/Turfjs/turf-min.svg?branch=master)](https://travis-ci.org/Turfjs/turf-min) [min](https://github.com/Turfjs/turf-min)
+
+[![Build Status](https://travis-ci.org/Turfjs/turf-max.svg?branch=master)](https://travis-ci.org/Turfjs/turf-max) [max](https://github.com/Turfjs/turf-max)
+
+[![Build Status](https://travis-ci.org/Turfjs/turf-count.svg?branch=master)](https://travis-ci.org/Turfjs/turf-count) [count](https://github.com/Turfjs/turf-count)
+
+[![Build Status](https://travis-ci.org/Turfjs/turf-deviation.svg?branch=master)](https://travis-ci.org/Turfjs/turf-deviation) [deviation](https://github.com/Turfjs/turf-deviation)
+
+[![Build Status](https://travis-ci.org/Turfjs/turf-variance.svg?branch=master)](https://travis-ci.org/Turfjs/turf-variance) [variance](https://github.com/Turfjs/turf-variance)
+
+[![Build Status](https://travis-ci.org/Turfjs/turf-aggregate.svg?branch=master)](https://travis-ci.org/Turfjs/turf-aggregate) [aggregate](https://github.com/Turfjs/turf-aggregate)
 
 ####transformation
-- [buffer](https://github.com/Turfjs/turf-buffer)
-- [bezier](https://github.com/Turfjs/turf-bezier)
-- [simplify](https://github.com/Turfjs/turf-simplify)
-- [union](https://github.com/Turfjs/turf-union)
-- [merge](https://github.com/Turfjs/turf-merge)
-- [intersect](https://github.com/Turfjs/turf-intersect)
-- [erase](https://github.com/Turfjs/turf-erase)
-- [donuts](https://github.com/Turfjs/turf-donuts)
-- [convex](https://github.com/Turfjs/turf-convex)
-- [concave](https://github.com/Turfjs/turf-concave)
+[![Build Status](https://travis-ci.org/Turfjs/turf-buffer.svg?branch=master)](https://travis-ci.org/Turfjs/turf-buffer) [buffer](https://github.com/Turfjs/turf-buffer)
+
+[![Build Status](https://travis-ci.org/Turfjs/turf-bezier.svg?branch=master)](https://travis-ci.org/Turfjs/turf-bezier) [bezier](https://github.com/Turfjs/turf-bezier)
+
+[![Build Status](https://travis-ci.org/Turfjs/turf-simplify.svg?branch=master)](https://travis-ci.org/Turfjs/turf-simplify) [simplify](https://github.com/Turfjs/turf-simplify)
+
+[![Build Status](https://travis-ci.org/Turfjs/turf-union.svg?branch=master)](https://travis-ci.org/Turfjs/turf-union) [union](https://github.com/Turfjs/turf-union)
+
+[![Build Status](https://travis-ci.org/Turfjs/turf-merge.svg?branch=master)](https://travis-ci.org/Turfjs/turf-merge) [merge](https://github.com/Turfjs/turf-merge)
+
+[![Build Status](https://travis-ci.org/Turfjs/turf-intersect.svg?branch=master)](https://travis-ci.org/Turfjs/turf-intersect) [intersect](https://github.com/Turfjs/turf-intersect)
+
+[![Build Status](https://travis-ci.org/Turfjs/turf-erase.svg?branch=master)](https://travis-ci.org/Turfjs/turf-erase) [erase](https://github.com/Turfjs/turf-erase)
+
+[![Build Status](https://travis-ci.org/Turfjs/turf-donuts.svg?branch=master)](https://travis-ci.org/Turfjs/turf-donuts) [donuts](https://github.com/Turfjs/turf-donuts)
+
+[![Build Status](https://travis-ci.org/Turfjs/turf-convex.svg?branch=master)](https://travis-ci.org/Turfjs/turf-convex) [convex](https://github.com/Turfjs/turf-convex)
+
+[![Build Status](https://travis-ci.org/Turfjs/turf-concave.svg?branch=master)](https://travis-ci.org/Turfjs/turf-concave) [concave](https://github.com/Turfjs/turf-concave)
 
 ####misc
-- [flip](https://github.com/Turfjs/turf-flip)
-- [explode](https://github.com/Turfjs/turf-explode)
-- [combine](https://github.com/Turfjs/turf-combine)
-- [isClockwise](https://github.com/Turfjs/turf-isClockwise)
+[![Build Status](https://travis-ci.org/Turfjs/turf-flip.svg?branch=master)](https://travis-ci.org/Turfjs/turf-flip) [flip](https://github.com/Turfjs/turf-flip)
+
+[![Build Status](https://travis-ci.org/Turfjs/turf-explode.svg?branch=master)](https://travis-ci.org/Turfjs/turf-explode) [explode](https://github.com/Turfjs/turf-explode)
+
+[![Build Status](https://travis-ci.org/Turfjs/turf-combine.svg?branch=master)](https://travis-ci.org/Turfjs/turf-combine) [combine](https://github.com/Turfjs/turf-combine)
+
+[![Build Status](https://travis-ci.org/Turfjs/turf-isClockwise.svg?branch=master)](https://travis-ci.org/Turfjs/turf-isClockwise) [isClockwise](https://github.com/Turfjs/turf-isClockwise)
 
 ---