2.3.4 CHANGELOG
Merge pull request #628 from square/dimitris/234-changelog

2.3.4 CHANGELOG
Prepare 2.3.4.
[maven-release-plugin] prepare release picasso-parent-2.3.4
[maven-release-plugin] prepare for next development iteration
Update to Android worker.
Merge pull request #629 from square/jw/fix-travis

Update to Android worker.
Implement new RequestHandler API
Merge pull request #512 from lucasr/request-handler

Support custom bitmap loading with a new RequestHandler API
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'