Blender Git Loki

Little fun feature for SCons users: set BF_LINE_OVERWRITE=True in your user-config.py or on command-line when BF_QUIET=True. This will reuse the same line of the previous compile message (Compiling ==>...). Warnings and other messages will still go on their own lines. Remember to set BF_LINE_OVERWRITE=False when you are redirecting the build output to a file