Grading sheet for p7

Makefile (10 points):
        2 points for something that works
        2 points for including -Wall
        2 points for using a source file p7.c 
        2 points for using a binary file name of p7
        2 points if make clean does something close to right

Compiles (10 points):
        5 for sucessful compilation
        5 for no warnings when compiled with -Wall

Correct Functionality (60 points)
   9 builds grid using curses
   5 does not need to redraw the entire screen after each move
   8 user can place ships by moving cursor and pressing keys
   8 user can fire on enemy by moving cursor and pressing keys
   5 keyboard input does not echo 
   5 keyboard input does not have editing ability
   5 includes a help mode to tell how to use interface
   5 restores normal interface after exiting game

   carryover:
   2 still correctly shows success and failure of bombing attempts
   2 still correctly reports when your ships have been sunk
   2 still correctly reports when your opponents ships have been sunk
   4 still correctly updates your status screen after each round
         (showing the results of all your prior attacks)

Documentation (20 points)
        5 for a header containing name, date, description
       15 for additional comments within source code