Merge branch 'release/v0.6.4'
Merge branch 'release/v0.6.5'
Merge branch 'release/v0.6.6'
Merge branch 'release/v0.7.0'
Merge branch 'release/v0.7.1'
Merge branch 'release/v0.8.0'
Shadows on Directional Lights are now optional
Working rendering is better than optimized rendering.  Normals no longer decoded in order to fix weird pepper effect.
Merge branch 'hotfix/NonEncodedNormals' into develop

Conflicts:
	source/graphics/adapters/adapter.d