Updated radicale packages fix CVE-2015-8748

Updated radicale package fixes security vulnerabilities: If an attacker is able to authenticate with a user name like .*', he can bypass read/write limitations imposed by regex-based rules, including the built-in rules owner_write’ (read for everybody, write for the calendar owner) and `owner_only’ (read and write for the the calendar owner) (CVE-2015-8748). The radicale package has been updated to version 1.1.1, fixing this issue and several other security issues.