Bug Fix: When the OpenGL renderer was disabled the SILLY codec was still being built. Bug Fix: When the OpenGL renderer was disabled the requirement for a default ImageCodec was still enforced.
Bug Fix: When the OpenGL renderer was disabled the SILLY codec was still being built.
Bug Fix: When the OpenGL renderer was disabled the requirement for a default ImageCodec was still enforced.

OpenTechEngine/CEGUI,ruleless/CEGUI,OpenTechEngine/CEGUI,OpenTechEngine/CEGUI,OpenTechEngine/CEGUI,ruleless/CEGUI,ruleless/CEGUI,ruleless/CEGUI