Completion sur les followees
Gestion complète des follows
fix(all): Merge from madbrain and followed a more AngularJS way

Merge commit '2b7881b36a93c9889d7728e2cc5ea68ff40f12a8'

Conflicts:
	client/js/piouter.js
	server/src/main/java/piouter/controller/UserController.java
	server/src/main/java/piouter/service/PiouService.java
	server/src/main/java/piouter/service/UserService.java
	server/src/main/java/piouter/service/impl/PiouServiceImpl.java
	server/src/main/java/piouter/service/impl/UserServiceImpl.java