align admin index page
define DAOs singleton
separate CRUD(Admin) and App controllers
Merge branch 'pickle' of https://github.com/hakandilek/publicplay into
pickle

Conflicts:
	app/views/admin/index.scala.html
Merge branch 'master' into pickle

Conflicts:
	app/controllers/Admin.java
	app/controllers/crud/UserCRUDController.java
	app/models/dao/PostRatingDAO.java