Add and migrate CollectionApiClientPermission

Squashed commit of the following:

commit f24d6723849bdb249eaf4913414619a122a9bc68
Author: Thomas Schank <DrTom@schank.ch>
Date:   Mon Dec 1 10:19:53 2014 +0100

    Update cider ci Tasks

commit 25446877b92b01e7c1f15c0720c42b9c4e6e3df4
Author: Thomas Schank <DrTom@schank.ch>
Date:   Mon Dec 1 10:19:15 2014 +0100

    Model and specs CollectionApiClientPermission

commit 97f3662cf4d464d5fdf4b1e1f6355ff5f896e2f0
Author: Thomas Schank <DrTom@schank.ch>
Date:   Mon Dec 1 10:03:42 2014 +0100

    ApiClientGroupPermission: migrate ...