Prioritize injected RequestHandlers over defaults
Merge pull request #654 from timehop/fix-requesthandler-override

Allow injected RequestHandlers to override the defaults
Propogate load source when using InputStream.
Merge pull request #661 from square/jw/correctly-pass-source

Propogate load source when using InputStream.
Implement support for request priorities
Merge pull request #666 from lucasr/request-priority

Implement support for request priorities
Implement request tagging and pause/resume support
Use new pause/resume support in sample app
Merge pull request #665 from lucasr/request-group

Implement request group and pause/resume support
Fixed calculating inSampleSize for centerInside images
Merge branch 'krzysiekbielicki-issue-616'
Do not use WeakRef for target in RemoteViews requests.