Added link to documentation
Primitive camera support. Update examples

More updates are coming very soon. This camera only support horizontal
movement and moves at the same speed of the player.
Camera support for vertical levels. Shortcut for current_level

Updated example
Import shortcuts

Updated example
Moved config parsing, parallaxing work in progress

- More utilities will be in the utilities file
Spawn player at spawn point. Fix pan_down in camera
Functional parallaxing

WOOHOO!
Documentation update
Merge branch 'master' into gh-pages
Link to level format page
Merge branch 'master' into gh-pages
Edited level format doc. Added analytics. Bumped version number