Bug 1278 - Build the MD-SAL Archetype automatically

This way new developers can get access to the archetype automatically
without having to build the toolkit source code.

Change-Id: I8d64eddb8081982b14f8ec8c5dc509af8f5b9b5a
Signed-off-by: Devin Avery <devin.avery@brocade.com>