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'
Simply fail if assertion is not thrown
Merge pull request #673 from f2prateek/fail/test

Simply fail if assertion is not thrown
Notify exception listener rather than crash when no available handlers.
Merge pull request #678 from square/jw/fix-missing-handler-behavior

Notify exception listener rather than crash when no available handlers.
Fix typo
Merge pull request #679 from square/dimitris/typoz

Fix typo
Fix ConcurrentModificationException in Dispatcher.performSubmit()

Fixes #641
Log when a target is garbage collected and request is canceled

Fixes #642
Merge pull request #681 from lucasr/issue642

Log when a target is garbage collected and request is canceled
Merge pull request #680 from lucasr/issue641

Fix ConcurrentModificationException in Dispatcher.performSubmit()
Added resizing with keeping aspect ratio when dimension is 0.