removed GBM stuff, code cleanup, more progress reporting
removed GBM stuff, code cleanup, more progress reporting

seanisom/vtp,nakijun/vtp,markraz/vtp,markraz/vtp,nakijun/vtp,nakijun/vtp,seanisom/vtp,markraz/vtp,seanisom/vtp,nakijun/vtp,markraz/vtp,nakijun/vtp,seanisom/vtp,markraz/vtp,seanisom/vtp