Support download and install of MacOS runtimes as well as linux 	Change on 2014/07/09 by jorr <jorr@google.com> ------------- Created by MOE: http://code.google.com/p/moe-java MOE_MIGRATED_REVID=70837260
Support download and install of MacOS runtimes as well as linux
	Change on 2014/07/09 by jorr <jorr@google.com>
-------------
Created by MOE: http://code.google.com/p/moe-java
MOE_MIGRATED_REVID=70837260

andela-angene/coursebuilder-core,andela-angene/coursebuilder-core,andela-angene/coursebuilder-core,andela-angene/coursebuilder-core