gray-crawler: begin ext4 cleanup
gray-crawler: begin ext4 cleanup

+ Needed "color.h" include (reshuffling MBR exposed this)
+ Reorganized includes to let stdlib and sys includes to come first

cmusatyalab/gammaray,wenluhu/gammaray-android,wenluhu/gammaray-android,wenluhu/gammaray-android,cmusatyalab/gammaray,cmusatyalab/gammaray