Upgrade rmagick dependency. Fix deprecation warning.

Update to work with exifr 1.3.

Merge branch 'master' of github.com:ggreer/jekyll-gallery-generator

Tag v1.1.0 release.

Tag v1.0 release.

Bump version to v0.9.0. Use standard description for Apache 2.0 license.

Tag release v0.0.9

Tag new verison: v0.0.8

Tag new verison: v0.0.7

Tag v0.0.6