This commit brings back: - Field Render - MBlur Render (old style) - Border render with or without cropping Note: Field Render is not supported in Compositor yet. Blurring or filter will destroy field information. Both MotionBlur as Field render are done before Compositing happens. Fixes: - The "Save Buffers" option only worked on single frame renders, not for Anim render. - Found an un-initalized variable in Render initialize... this might have caused the unknown random crashes with render. Code restructure: Cleaned up names and calls throughout the pipeline, more clearly telling what goes on in functions. This is visible in the updated first image of the Wiki doc: http://mediawiki.blender.org/index.php/BlenderDev/RenderPipeline