Fixed issue where loading shadow shaders would fail because no fragment shader was present (vert and frag shaders required in GLES)
Fixed issue in idRenderMatrix's OffsetScaleForBounds and InverseOffsetScaleForBounds where wrong bit mask format was used.
Fixed issue in idRenderMatrix::CullFrustumCornersToPlane where wrong lane function was used to get vector component.
Removed usage of glTexStorage as it produced immutable textures.
OpenAL checks for AL_LOKI_IMA_ADPCM_format instead of AL_EXT_IMA4 which would fail at actual alBufferData call and may not have been correct format anyway.
Removed references to Scoreloop since it has been shutdown.