Allow transformations to be replaced.
Default to fit center transformation.
Add simplified BitmapTransformation.
Fix issues with artifacts in certain gif frames.
Avoid NPE loading null or empty urls.
Add checkstyle for javadocs.
Replace ActionBarSherlock with AppCompat in Flickr
Add test to ignore size ready cb when cancelled.
Add default transformations for ImageViews.
More tests for RequestFutureTarget.
Add lifecycle methods to Target interface.
Remove redundant commands in travis config.