Added connect feature and new user feature. Added first view.
Conflicts resolved!

Merge branch 'master' of github.com:marinadelerce/gestionmateriel

Conflicts:
	src/model/general/GeneralManager.java
	src/model/general/UserManager.java
Added first JUnit tests. Moved "Managers" to controller package.
Merge branch 'master' of github.com:marinadelerce/gestionmateriel