Sending api::application data too for permissions#index

Squashed commit of the following:

commit 4d17e608c9ff7f5d5d20f212ca3bbeb989df31d2
Author: Thomas Schank <DrTom@schank.ch>
Date:   Mon Mar 24 20:07:52 2014 +0100

    ...

commit ddc793984c1081d3c6eb6347490cb1857ace5604
Author: Thomas Schank <DrTom@schank.ch>
Date:   Mon Mar 24 19:22:07 2014 +0100

    Sending permissions for api_application in permissions controller