Merge branch 'origin/master'
added PixelPerfectTest, removed iso cam stuff from ortho camera
merged nate's stuff...
reverted the camera fix, because it is wrong
fixed maven parent pom dirs for freetype/bullet
added new method to ScreenUtils to get a pixmap, not the fastest
small update to pp test
pixmap screencap is now y-up
more changes to pp test
Javadoc
Adjust UVs for 1x1 texture regions.

closes #802
ran gdx-tools HeaderFixer tool
Added Bits#getAndClear, Bits#getAndSet and Bits#containsAll

Also made some variables local in other methods.
Merge pull request #808 from hneuer/bitsss

Added Bits#getAndClear, Bits#getAndSet and Bits#containsAll
Bits optimization: No need to loop through 64 bits if word is known to be 0
Merge pull request #809 from hneuer/bitsperf

Bits optimization: No need to loop 64 bits if word is known to be 0
Revert change to short circuit WidgetGroup hit detection.

f92f71656f306a60c68790f4b8f5e39432d2c59d
closes #810
Various, mostly meshbuilder ensure size
Merge pull request #813 from xoppa/3dapi

Various, mostly meshbuilder ensure size