Tighten up Mandriva support

README.bbcode

@@ -25,7 +25,7 @@ $ installJRMC --help
 --install, -i repo|local
     repo: Install MC from repository, future updates will be handled by the system package manager
     local: Build and install MC package from official source package
---build[=suse|fedora|centos]
+--build[=suse|fedora|centos|mandriva]
     Build RPM from source DEB but do not install
     Optionally, specify a target distro for cross-building (ex. --build=suse, note the '=')
 --compat
@@ -48,7 +48,7 @@ $ installJRMC --help
       Starts services at boot (system) or user login (user) (default: per-service, see SERVICES)
 --container, -c CONTAINER (TODO: Under construction)
     See CONTAINERS section below for a list of containers to deploy
---createrepo[=suse|fedora|centos]
+--createrepo[=suse|fedora|centos|mandriva]
     Build rpm, copy to webroot, and run createrepo.
     Optionally, specify a target distro for non-native repo (ex. --createrepo=fedora, note the '=')
   --createrepo-webroot PATH