roomservice: When validating the presence of a repo, check main manifest too

        if localpath.get("name") == projectname:

            return 1

    ## Search in main manifest, too

    try:

        lm = ElementTree.parse(".repo/manifest.xml")

        lm = lm.getroot()

    except:

        lm = ElementTree.Element("manifest")

    for localpath in lm.findall("project"):

        if localpath.get("name") == projectname:

            return 1

    return None

def add_to_manifest(repositories, fallback_branch = None):