update threading
update DBC model to inject cache manager as a service
Updated the powershell launch script with command line options and help. It can nw also be used as a library.
Merge remote-tracking branch 'origin/master'

Conflicts:
	bin/runreef.ps1
Updated the launch script for Windows Server 2012
Merge pull request #670 from Microsoft-CISL/sync_evaluator_manager

Update multi-threading support for Evaluator event handling
Merge pull request #677 from Microsoft-CISL/YingdaReef

update DBC model to inject cache manager as a service
Merge branch 'master' of https://github.com/Microsoft-CISL/REEF into shravanmn_groupcom