Fix bug 1035157: Test for git

Skip clone during create if unavailable

Check for git before cloning
Add spec tests
Bug 1033348  Display OpenShift instance name when requesting password
https://bugzilla.redhat.com/show_bug.cgi?id=1033348
Added openshift_server name in Line 77 to show the server info.
Merge pull request #516 from liggitt/bug_1035157_test_for_git

Merged by openshift-bot
Update spec test
Merge pull request #518 from liggitt/sztsian-master

Merged by openshift-bot
Fix bug 1036064: display scopes help when passing empty scopes on command line
Automatic commit of package [rhc] release [1.18.1-1].
Merge pull request #520 from liggitt/bug_1036064_empty_scopes_argument

Merged by openshift-bot