Added 10 script to install required packaged and tools for a bew build node
Fixed docker cmd permisson error in 21 script
Fixed medadata path to use the SITE environment variable in 22 script
Added abibility to configure nocheckout option in document pull
Signed-off-by: James Gu <james.gu@att.com>
Change-Id: Iea7c3e2cdac473188007e218f87889f6c1846bda