CountdownEventAction tweak
Merge pull request #1463 from JavadocMD/patch-1

CountdownEventAction tweak
added headless jar to ant build
Merge pull request #1464 from jrenner/master

added headless jar to ant build
Sprite draw alpha modulation optimization
Merge pull request #1465 from jrenner/master

Sprite draw alpha modulation optimization
Merge branch 'master' of https://github.com/libgdx/libgdx into mipmap