Merge pull request #9 from rolandjudd/master

Refactor histogram and likelihood code, preparing for 2d histograms
Fixed an angle wrapping issue.
Merge branch 'master' of https://github.com/Milkyway-at-home/milkywayathome_client
Merge branch 'master' of https://github.com/Milkyway-at-home/milkywayathome_client

Conflicts:
	nbody/src/nbody_coordinates.c