Adds README files and updates build_all.sh
Update help message in Scan Agent
Merge branch '2.0M2' of https://github.com/denimgroup/threadfix into 2.0M2
Update HAM to work in Veracode
Merge branch '2.0M2' into threadfix-importers

Conflicts:
	threadfix-ham/src/main/java/com/denimgroup/threadfix/framework/engine/full/GeneratorBasedEndpointDatabase.java