Try to use a ppa instead of compiling imagemagick
Added option
Only upgrade imagemagick
Try to use apt-get install with --reinstall
Merge pull request #230 from christeredvartsen/travis-imagemagick-ppa

Try to use a ppa instead of compiling imagemagick
Added the strip transformation to the config
Removed use statment not in use (hehelol)
Added Behat scenarios
Added the Strip transformation along with some tests
Added docs regarding the strip transformation
Updated ChangeLog
Merge pull request #232 from christeredvartsen/strip-exif-data-transformation

Strip image property transformation
Updated ChangeLog
Added the Progressive transformation and a test case
Enable the Progressive transformation and added it in the image transformations Behat scenario
Updated the docs
Added groups
Updated ChangeLog
Merge pull request #231 from christeredvartsen/progressive-rendering-transformation

Progressive rendering transformation
Added error code