Merge pull request #16 from unholyhen/master

Balloon: Bug fixes. Optimization. Audio.
Ogg loads faster than mp3, use it as primary
Only load game when element exists (fix #17)
Birdhero: Now with zoom!
Birdhero: improved instruction arrow
Birdhero: Bugfix for water

This was due to the new zooming.
Lizard: Colouring
Lizard: snoring (moved functions to prototype)
Phaser update
Improved say function

Can be done since new Phaser has improved sound handling.
Lizard: Bugfix for snore always showing
Garden: Agent on field, walkable
Removed old images
Birdhero: Now with more chicks
Garden: Agent now waters the plants
Garden: Bugfix for multiple button clicks
Birdhero: Bugfix for parent scale
Language speech marker support added
Birdhero: Improved graphics for feathers
User changed name to Player

Terminology change to make it the same as in backend.