Fix USERGRID-225 by allowing ${blah} expressions in paths.
Fix USERGRID-225 by allowing ${blah} expressions in paths.

mdunker/usergrid,mdunker/usergrid,mdunker/usergrid,mdunker/usergrid,mdunker/usergrid,mdunker/usergrid,mdunker/usergrid,mdunker/usergrid