Merge branch 'remove-groups-finder' into 'master'

Removed usage of GroupsFinder

Fixes #196

See merge request !118

app/controllers/groups_controller.rb

@@ -80,7 +80,7 @@ def destroy
   end
   def autocomplete
-    groups = GroupsFinder.new.execute(current_user).search(params[:search]).limit(params[:per_page])
+    groups = Group.search(params[:search]).limit(params[:per_page])
     render json: groups.to_json
   end