Merge pull request #5 from fabiansinz/master

Ported mean confidence intervals (travis should work now)
Added a disclaimer to the README
Merge pull request #7 from fabiansinz/master

mean with confidence interval and changed theme for docu
Merge pull request #8 from fabiansinz/master

bugfix for 1d mean computation
Merge branch 'master' of https://github.com/circstat/PyCircStat