1) Add support for parallel makefile generation by spliting compile into two-step operation. export first, followed by compile. 2) Remove smoketest from sources.csv and into sources_test.csv. This enables a fully resolved csv file to be fed directly back into a platform build.

^SHOWSTOPPER RAISED:	critical
^ERROR:	major
^WARNING: .+ CANNOT BE FOUND IN THE SYSTEM PATH	ignore
^WARNING:	minor