User Controller erstellt
Profil hinzugefügt
add friendshipmodel, add user friend associations
add friend controller, handle frontend relationsships between users
add usersearch
add seeds for friendships and users
Merge branch 'work' of github.com:RailsWeek2013/SocialNetwork into work

Conflicts:
	app/controllers/user_controller.rb
	app/views/layouts/application.html.erb
	config/routes.rb
edit db/schmema.rb
Merge branch 'work' of github.com:RailsWeek2013/SocialNetwork into work
add post-table and like-table to db, change css
edit friendship and user model
edit routes
update controllers
add functionality to delete friends, add functionality to ask for friendship, now you can accept friends
css-style angepasst
Gleichnamige Methoden verändert und somit Bugs gefixed
Post können hinzu bzw. entfernt werden, Post von freunden können geliked werden
Mergekonflikte gefixed
Postabfrage für den Current_User gefixed
add friendprofiles