Made the button add to reservatons available
starting to test the lock
continuing to test the lock
checking the rooms from current reservations when we try to save them to the database
sout an error message from the 2nd jframe to display the rooms with errors
bug fix: to be able to create a new reservation right after saving another one
Merge remote-tracking branch 'origin/master' into Raul

Conflicts:
	src/domain/Controller.java
	src/presentation/CasablancaGUI.java