[travis-ci] Speed up android build.
Merge pull request #2870 from dumganhar/master

[travis-ci] Speed up android build. [master]
merge pull reqeust fixing for iOS7 and Xcode5 into master
LabelTTF vertical alignment fixed on OS X

vertical alignment was broken on OS X.
top and bottom were switched.
Merge remote-tracking branch 'upstream/master'