Simple OpenCL implementation works on OSX.
Preferred work-group size, preparations for double precission
First version of OpenCL working well
OpenCL added to README
Corrected typo regarding how to integrate local installation of GLUT into REBOUND
Merge pull request #18 from deserteur/master

Corrected typo regarding how to integrate local installation of GLUT int...
Added Dave.
testing
Merge branch 'master' into merger