edited tabs, created new main menu, created instructions window
added dotH.txt
created gameObject class, Ball and Paddle extend it
got ball to bounce other way
Most of the game works
Fixed lives functionality for players
Added correct implementation of point counter
Correct winner recognized at end
Final changes made, instructions updated
Merge pull request #14 from benjaminhartl/master

Project 1: Pong, closes #10, #12, #15