Player Respawn Script

Created script which can be attached to player “buggy” which will cause
the player to respawn should they fall
off the map and below a certain coordinate on the y-axis.
Added PatrickHead prefab. Included in level_full_xexano test scene
Added double sided shader
Merge pull request #166 from lightsoda/master

Added double sided shader
Merge pull request #162 from bc5389/test

Player Respawn Script
Merge pull request #164 from ChrAfonso/master

Added PatrickHead prefab. Included in level_full_xexano test scene
Merge branch 'master' of https://github.com/Double-Fine-Game-Club/bad-golf-community-edition