Merge pull request #2 from mmcnierney14/basic-physics

@ritter => draw boat component, add box2d
added components and scenes files
changed game.js
merged Nierney work with mine
removed files
did more work with basic-physics
made forces update constantly
made force update with time
Merge pull request #3 from ritmatter/basic-physics

Basic physics - This looks good but we still need to work on better movement dynamics by adding things like linear damping.