Fixed possible concurrency error
Switch to FastMath from Math
Add FastMath Library
Strip extraneous FastMath imports
Missed a whole bunch of Math library calls
Pedantic indentation fixup

- all java files now use tabs for indentation
Added QuickMath abs, min, max

- added faster math functions that disregard NaN and +-0
- use Math.PI rather than FastMath.PI
- use Math.min and Math.max for integer operands
Updated license information in README

- added commons-math attribution