Fix leak in ParticleEmitter

Texture was not being released when creating a new ParticleEmitter. This affects both current and Next branches
Merge pull request #1529 from fallahn/master

Fix leak in ParticleEmitter
Fix TerrainPatch leaking camera
Merge pull request #1532 from fallahn/master

Fix TerrainPatch leaking camera
Fix typo in PlatformAndroid.cpp - Fixes #1536
Merge pull request #1538 from rgngl/master

Fix typo in PlatformAndroid.cpp - Fixes #1536
Merge branch 'master' of github.com:blackberry/GamePlay into blackberry/master