GB requires invalidateSelf().
Merge pull request #529 from square/dimitris/fix-gb

GB requires invalidateSelf().
Method name change (Exit -> Exif)
Merge pull request #532 from aldenml/master

Method name change (Exit -> Exif)
Return -1 as default value for missing or malformed content-length header.
Merge pull request #533 from square/dimitris/504

Return -1 as default value for missing or malformed content-length header
Update CHANGELOG for 2.3.2
Fixes to CHANGELOG
Close input stream on edge case.
Merge pull request #534 from square/dimitris/close-stream

Close input stream on edge case.
[maven-release-plugin] prepare release picasso-parent-2.3.2
[maven-release-plugin] prepare for next development iteration
Merge branch 'master' into disk-cache