Update phpDoc for ControllerCollection
minor #890 Update phpDoc for ControllerCollection (Kilte)

This PR was squashed before being merged into the 1.2.x-dev branch (closes #890).

Discussion
----------

Update phpDoc for ControllerCollection

__call() forwards method-calls to Route, but returns instance of ControllerCollection.
 Added the listing Route's methods, so that IDEs know they are valid.

Commits
-------

53b3a35 Update phpDoc for ControllerCollection