A little more in Hotel class
create and delete Room methods ready
getRooms,setOffer and Reservation class ready
password variable change from char[] to String.
Hotel class completed.
Main System Monitor completed.
Admin's Frames completed
They don't have any operation implemented.
Insert from MainFrame to AdminBasicFrame completed.
PasswordChecker has a static method which confirm the password.
add more in JFrames
create room ready
delete room ready
reservations check ready
insert discount ready
update room ready. Only to check it and finish
User Story 2 is completed
Merge of user story 2 in master branch
Merge branch 'UserStory2Admin' into masterDimitris

Conflicts:
	HotelResSystem/src/client/main.java
	HotelResSystem/src/internal/Hotel.java
	HotelResSystem/src/internal/Reservation.java
	HotelResSystem/src/internal/Simple.java
	HotelResSystem/src/internal/Suite.java