API now allows for search of usergroups
Using Apipie versioning features and Maruku for markdown

Apipie switched from Redcarpet to Maruku to avoid crashes of the C
Extension. No further need of compiling anything to get markdown support.
Merge remote-tracking branch 'foreman/develop'

Conflicts:
	config/initializers/apipie.rb
Automatic rebase to latest nightly Foreman
Automatic commit of package [foreman] minor release [1.0.2-13.6ce2ab7].