Bump new version.
bump text dependency
Migration to imagemagick-6.8.8.7 #26
Merge remote-tracking branch 'yoeight/migration' into issue-26
Bump version to 0.0.3.4

Drop support of old imagemagick libraries
Add changelog file.
bump conduit deps
update cabal file.
Merge remote-tracking branch 'upstream/master'
Provides access to OptimizeImageLayers()
Provides access to OptimizeImageTransparency()
Provides access to GetQuantizeInfo()