Updated Raspberry Pi Getting Started (markdown)
emphasize setting gpu to 64
time saver tip to help people build oF
removing memory_split suggestion for now as ofColor has issues https://github.com/openFrameworks-RaspberryPi/openFrameworks/issues/118#issuecomment-12367540
slash slash slash
rpi-update should be run via sudo
zap first reboot command suggestion in favor of something more concise