Update to version 0.3.1

Merge pull request OpenDroneMap#567 from dakotabenjamin/03RC-bugfixes

03 rc bugfixes

Merge pull request OpenDroneMap#551 from dakotabenjamin/master

Get ready for beta v0.3

Bug fix for 0.2, replaces link to OpenGV

Merge pull request OpenDroneMap#433 from OpenDroneMap/raw-resize-data

Keeps original images pristine in georef

Update README.md

Merge branch 'dev-pull'

This merge is a major beta update to be released as v0.1. See changelog for details.

Compress test data images

Merge pull request OpenDroneMap#236 from OpenDroneMap/ccd-changes

Ccd changes