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Breakout lab  grading scheme
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													OBTAINED:

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Functionality:  50 
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5  - paddle moves correctly 
5 - balls detects intersection with paddle correctly 
5 - balls detects intersections with court correctly 
15 - ball detects intersection with bricks correctly 

10    - good interface for the user to play the game 

10 - the intersection between a Row and the ball is detected
*efficiently*, as required.  Going through all the the bricks in a
row, one by one, gets no points for efficiency.  Going through the
bricks and stopping early (that is, when teh position of the brick is
past the ball), is good but not perfect. Binary search is very good.
Leaving Holes in the Row and determining the brick in constant time is
also very goo.



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Program structure:  20 
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5 - program has 5 classes, as required: main class, Paddle, Ball, Brick, Row
5 - use iterators to traverse the Vectors, instead of for loops 
10 - collision engine in main class



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Style:      30 
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5    -header
10  -comments
5    -use constants
10  -easy to read and understand and verify overall correctness of the underlying logic


Extensions:  (extra credit)