Started race data storage for replay and ghost features.
Added bkcore.hexgl.RaceData class to store ship states.
Added simple installation instructions.

Also fixed method name in bkcore.hexgl.RaceData.js
Updated bkcore.hexgl.RaceData

Added import/export methods.
Added support for tick rates to lighten replay data.
Added sample replay file to replays/* (for testing only, normal replays
will be stored in localStorage).
Moved race data tick from main gameplay loop to mode-specific loop.
[Quickfix] bkcore.hexgl.RaceData.export():for
Changed bkcore.hexgl.RaceData format to array 2D, improving perf and fixing object cloning issue.
Updated gameplay with replay mode.
Finalized replay mode. Added ORBIT camera mode. Bug fixes.
Started CoffeeScript port. Moved third-party libs from js/ to libs/.
Added coffee version of bkcore.ImageData and added missing doc
Added coffee version of bkcore.Utils and added rev53 of Three.js in libs.
Added coffee version of bkcore.threejs.Particles
Added missing exports in Particles
Added TouchController class
Updated TouchControls and ShipControls with mobile fixes.
Added temporary mobile homepage
Latest local changes for branching.
Latest local changes for branching (2).
Latest local changes for branching (3).
Updated index files to have both mobile and desktop version co-habiting.