make class names configureable
Merge branch 'master' of https://github.com/cburgdorf/Overthrow into cburgdorf-master

# By Christoph Burgdorf
# Via Christoph Burgdorf
* 'master' of https://github.com/cburgdorf/Overthrow:
  make class names configureable

Conflicts:
	overthrow.js
Merge remote-tracking branch 'origin/master'

* origin/master:
  added IE10 to native support