Webcl Plugin for Firefox 20

Osx 64 Version build
Linux64 build for firefox 20.0
Merge pull request #4 from wolfviking0/master

Add osx build firefox 20
Merge pull request #5 from Ozone77/linux64

Linux64 build for firefox 20.0
Add VTYPE_ARRAY for setKernelArg
Merge pull request #6 from wolfviking0/master

Added support for passing a JavaScript Array of floats to setKernelArg