Started integrating CKEditor.

- adds "new post" and "quote"
- adds edit user and add thread functionality
- adds new thread (collab mit Vanessa)
- adds UCP, adds client-side functionality for picture upload (collab mit Vanessa)

Change-Id: Iea5aa1d6f32cbcf64d32583675355b1b22b7a7b7
Fixes the search.

Change-Id: I7433fb0df37c3f0b4e537634c90301d946c8c06c
Search removed
Added Date to User
Fixed SendMail and confirmation