Adding STV build support
Update STV sdk
Merge branch 'unity-staging' into stv
Merge pull request #74 from Unity-Technologies/stv

STV build support
[Tizen] Update to SDK 2.2
Merge pull request #75 from davidrogers-unity/unity-staging

[Tizen] Update to SDK 2.2
Merge pull request #76 from Unity-Technologies/unity-staging

Merge build scripts for STV and Tizen into trunk branch