Created basic mixpanel tracking script
Added tracking for loading a scene
Added a slightly more clear comment
Added link to mixpanel API for future tracking
Fixed up tracking prefab and added it to forest zone
Added Options menu where user can disable tracking
Added tracking script back in
Added options menu back into scene
fixed trackign script on level
Merge pull request #58 from bdickason/mixpanel-data

Implement mixpanel tracking so we can find bugs and see how players are progressing through the game