[release] AutoCommon 0.7

Prepare AutoValue 1.3 release.

Change version to 1.3-rc2.

Update version to 1.3-rc1.

[prepare release] Bump version to 1.2 in preparation for release.

[prepare-release] AutoValue 1.2-rc1 version bump.

[release] Prepare to release auto-common 0.6

Temporarily add a doclint since we're building on java8 (though targe…

…tting java 6)

Merge pull request google#266 from remote-tracking branch 'ming13/rea…

…dme-forma'

Update readme documentation to reflect the AutoValue release.