Add EraseMBR pkg
Merge branch 'master' of github.com:CumulusNetworks/cldemo
Fix debug, add reboot option
Add initrd and linux for MBR eraser
Merge branch 'master' of github.com:CumulusNetworks/cldemo

Conflicts:
	pkgs/workbench/cldemo-wbench-osinstaller-erasembr/debian/var/lib/tftpboot/pxe/erasembr/i386/initrd.gz
	pkgs/workbench/cldemo-wbench-osinstaller-erasembr/debian/var/lib/tftpboot/pxe/pxelinux.cfg/cfg-erasembr