configure: Create RPMS if it doesn't exist

Signed-off-by: Euan Harris <euan.harris@citrix.com>
Merge pull request #120 from euanh/build-improvements

configure: Create RPMS if it doesn't exist
specs: Update to latest ocaml-qmp

Signed-off-by: Euan Harris <euan.harris@citrix.com>
Merge pull request #121 from euanh/build-improvements

specs: Update to latest ocaml-qmp