Release version 2.0.0-rc2

Released on July 3, 2014
* Bugfixes in API,
* Bugfixes in MANIFEST.in,
* Minor improvements in admin - Assets count column in model,
* Minor improvement in API - full model resource,
* Minor changes in model fields,
* Minor field changes in forms,
* Minor JS fixes,
* Unittests improvements - use factory_boy