Renamed Testacular to Karma.

https://groups.google.com/d/msg/karma-users/nUkYSxseZEc/TuATXE4de_YJ
https://github.com/karma-runner/karma/commit/2b2044eeed2e4675afec9235430db314d46154ec
Merge pull request #14 from danielmcormond/master

Renamed Testacular to Karma