Merge pull request #4 from jpgg/master

Sync master and dev branches
added menu scene and new standard assets
added functional menu
added tile flipping animation
fixed credits
added fancy font for menu and little tweaks
added pause menu when hitting escape on PROTOTYPE 2.
added lava skybox (creative commons)
added MiniMap and health bar
added Tameness bar
added new fixed tile, new skin asset and bigger map but still a bug with enemy
bug and hud fixed
added arrow movement to camera
Edited click and move script to remove robot functionality and commence two-player functions. Added new character to scene. Second character is still not functional.
Selection and movement of both objects and tiles now uses the respective Tile/Object manager methods. Much cleaner this way.
Fixed problem where you could choose multiple tiles while in movement.
ObjectSelection and TileSelection "complete" for the time being.
Turn-based, hot-seat movement working. Added two new tags to represent what units belong to what players.
Added a bunch of units, hot-seat working perfectly now.
added hot seat player message