Add indexer_language to change stemmer for xapian FTS indexer Nagy Gabor asked how to enable the hungarian stemmer in roundup. This required editing indexer_xapian.py replacing hardcoded "english" term. This value is now exposed in the config file under [main] index_language. This only works for xapian currently.

def init_severity(db, cl, nodeid, newvalues):
    """Make sure severity is set on new issues"""
    if 'severity' in newvalues and newvalues['severity']:
        return

    normal = db.severity.lookup('normal')
    newvalues['severity'] = normal

def init(db):
    db.issue.audit('create', init_severity)