Renamed game.html to index.html

renamed the html file to the standard 'index.html'
Direction and Speed added to Rectangle Obj

Rectangle objects now have a direction list and a speed. Speed gives the
max speed, not the current speed. Rectangle is no longer bounded by the
canvas (bug)
Rectangle Object velocity vectors added

replaced 'direction' with velx and vely to represent the velocity of the
rectangle in those directions. updated drawing and physics sections to
deal with this. rectangle still not bounded by canvas (bug)
Fixed Boundary Bug

changed logic in gameLoop so that the rectangle is kept within the
canvas boundaries
Rectangle colour/size changes

rectangle is now vertical, and blue
Merge pull request #1 from RNPGhost/master

Test Merge