Reviewers: mano-wii, fclem, campbellbarton Differential Revision: https://developer.blender.org/D3772
Reviewer: fclem Differential Revision: https://developer.blender.org/D3760
This does not include all the struct and type renaming. Only files were renamed. gwn_batch.c/h was fusioned with GPU_batch.c/h gwn_immediate.c/h was fusioned with GPU_immediate.c/h gwn_imm_util.c/h was fusioned with GPU_immediate_util.c/h