Added support for private url without username/password.
GCal now supports
1) url, username, password
2) url (without username/password)
Merge pull request #829 from lbo123/master

Added support for private url without username/password.
Merge branch 'master' into zwave-routing

* master:
  Added support for private url without username/password. GCal now supports 1) url, username, password 2) url (without username/password)