Got rid of separate number of themes and levels
Updated to new NGUI.

Removed bitmap font
Fixed some issues
Glowy walls

Also fixed a pathing issue at game start that let the player get stuck
inside the start zone.
Also moved atlas source
Tweaks to difficulty and maze

Code cleanup too
Pause rather than stop sound after fading it out
Refactored sound manager

Also fixed bug that could take player snake out of maze
Also fixed accidental bug with returning to start zone
This seems to be necessary for drag events

WTF NGUI
Refactoring
Compile fix
Fixed it so that frogs can move in the end-level phase
Graphic upgrades
Pause menu volume control

Also fixed pause button issues in game scene
Added babies
Extra baby snake

If there are more player lives than baby snakes, an extra will spawn
offscreen and move on when the others advance
Fixed snake length after level transition
Fixes

To frog jumping, maze panel, title splash, themes
re-enabled random frog placement