Merge pull request #8 from connienguyen/master

merging to master
added win condition
added custom skybox to MainCamera
Detroy tree trunks that spawn above TreeTop
scaled TreeTop prefab
added snake obstacle
added beehive obstacle, modified some textures
fixed beehive model
cleaned up beehive and snake prefabs
added unclimable obstacle
Added tree tops and played with camera and offset values