fixed javascript path for sample game
Replace sprites

Also fixed gitignore (for windows?) to ignore JS files
Add left and right jumping, don't play left/right animations when in air
Add todos
Mod speed and fix flipped run animation
Fix #82 color alpha values so they are between 0 and 1. Added Color spec to test suite.
Merge pull request #83 from eonarheim/dev-erik

Fix #82 color alpha values so they are between 0 and 1. Added Color spec...
Close #49 - Implement a .kill() method as a shorthand to remove actors from the scene graph
Close #54 Implement SceneStack
Fix #84 simplified loading, added an optional done callback to the game.load method
Close #86 implement promises in Excalibur, added a Promise.wrap to wrap non promise values in a resolved promise
Added generic types to promises :)
Added promises to loaders
Added Excalibur loading image to default loader
Revert "fixed javascript path for sample game"

This reverts commit 8521c84cafbb428b20e1831280d8c9197760a3c0.
Merge remote-tracking branch 'origin/master' into 35-replace-assets
Revert "Revert "fixed javascript path for sample game""

This reverts commit 287753df20961c828e4a323dc7f857272aeabf2d.
Merge remote-tracking branch 'origin/master' into dev-josh
Merge pull request #88 from eonarheim/35-replace-assets

[#35] Replace assets
Close #78 IDrawable's can now be flipped on x and y