Fix for DTACLOUD-419 - Typos in Intance model to_hash

https://issues.apache.org/jira/browse/DTACLOUD-419
Deltacloud tests: fix black box tests (base_api_test) for forced_auth drivers

Openstack driver needs auth for /api
Deltacloud - rackspace driver - adds monkeypatch for cloudservers gem - DTACLOUD-319

See https://issues.apache.org/jira/browse/DTACLOUD-319
Original pull request at https://github.com/rackspace/ruby-cloudservers/pull/22
SITE: update contact page links for community call #7