CBLT-42:  fix more DOS typos, mkdir doesn't need -p

Change-Id: I5729e6997d68a2ae2f674fc7e8be385bbe2a9cbe
Reviewed-on: http://review.couchbase.org/37203
Reviewed-by: Philip Labee <philip@couchbase.com>
Tested-by: Philip Labee <philip@couchbase.com>