Changes Made :
------------------------------------------------------------------
1.Removed Pattern Fill option

2.Created "mouse.c" file
[see "mouse.c"]

3.Will ask if the file is to be saved when 'New' is clicked
[see "fileopt.c"]	

4.Will ask if the file is to be saved when 'Load' is clicked
[see "fileopt.c"]	

5.Will ask if the file is to be saved when 'Exit' is clicked
[see "fileopt.c"]	

6.Added an 'About' screen
[see "screen.c"]

7.Added an 'Help' screen
  Created "help.c" file
[see "help.c"]

8.Whenever 'Save' or 'Save As' is clicked a blue progress bar
  appears.When the progress bar is finished,it indicates that
  the file is saved.
[see "fileopt.c"]	

9.'X' & 'Y' co-ordinates will be displayed whenever there is 
  a mouse movement.
[see "main.c"]	

10.Date will be displayed at the top of the screen.
[see "screen.c"]

11.Restricted mouse movement to unwanted area on the screen.
[see "mouse.c"]