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()
Merge branch 'master' into bill-gif
Fix style problems
Change visibility of ImageLoadResult