[DF-4597] Fix invalid directory in Open Sprite dialog in UIEditor
[DF-4598] Added function to detect GL_HALF_FLOAT value for ios devices
[DF-4598] Added OGLHelpers.cpp to windows project
[DF-4548] - fixed chequered background draw.
[DF-4548] - fixed chequered background draw.
[DF-185] added DAVA_DEPRECATED to deprecated function
[DF-185] Fixed GetHalfFloatID() for Android
[DF-4629] Fixed crash with enabled customcolors editor on empty scene
Merge branch 'development' into development_ground_fog
[DF-185] Compilation fix
[DF-185] Added qualities for landscape
Merge branch 'development_ground_fog' into development_ground_fog_cubemap

Conflicts:
	Sources/Internal/Scene3D/Scene.cpp
[DF-4631] Moved calculations from pixel shader to vertex shader