A finger-independent GestureDetector. (fixes issue #1349)
Add VertexAttribute#type,#normalized,#hashCode()
Added a NO_POINTER static object to the GestureDetector.
Added some small methods to Circle

-Area, circumference, some new constructors, etc.
-Mostly to test the LibGDX contribution waters
Changed Rectangle's uses of Float.floatToIntBits to NumberUtil's version

-Same for Circle, too
Added area, circumference, and some miscellaneous methods to Ellipse
Changed uses of floatToIntBits to floatToRawIntBits

-Oops
More equals() and hashCode() methods
Removed a superfluous import
Merge branch 'master' of https://github.com/libgdx/libgdx
Added volume/area and perimeter/surface area methods to a few shapes
Removed NumberUtils.floatToIntBits in GridPoint2 and GridPoint3

-Oops
Adds back previous ParticleEffect API methods and minor convention changes
Merge pull request #2015 from xoppa/various

Add VertexAttribute#type, #normalized, #hashCode(), .ColorPacked()
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Merge pull request #2018 from JesseTG/master

Simple changes to the math package for convenience
Update Music.java
Removed appended extra "/"
Merge pull request #2023 from obigu/fix2

Adds back previous ParticleEffect API methods and minor convention chang...
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