Reservation + create employee (AJAX test)
Updated welcome page with banner, updated Search (POST), updated Rent
(AJAX POST)
Updated :
welcome page, 
Add rent, 
display rent on calendar,
get rent on calendar, 
delete rent 

TODO @OLIVER : sendmail
TODO @GENT : modifRent
Commit missing files
update rent DAO/Services, .jsp files :
- check available vehicles for new Dates : update rent function
	- mod. files RentDAO/Services classes and HomeController class
	 
- add new jsp file (headNavigator.jsp)=> search navigator : for includes
=> avoid copy/past code...
- add session (name of session: "rentSession")
//TOTDO: @Stephan -
update: formating code..