fix for oc version

[xingxingxia]

Recent openshift/origin#21434 is merged
This makes auto fail:
https://openshift-qe-jenkins.rhev-ci-vms.eng.rdu2.redhat.com/job/Runner-v3/38503/console

   Given I have a project
      [02:43:06] INFO> Shell Commands: rm  -f -- /home/jenkins/workspace/Runner-v3/workdir/cucushift-oc40-standard-slave-cn7gk-0/ocp4_zhouy2.kubeconfig
      [02:43:06] INFO> Exit Status: 0
      [02:43:06] INFO> Shell Commands: oc version --config=/tmp/kubeconfig20190226-370-182k0n1
      Client Version: version.Info{Major:"4", Minor:"0+", GitVersion:"v4.0.0-0.183.0", GitCommit:"99fca4beb8", GitTreeState:"", BuildDate:"2019-02-23T23:55:36Z", GoVersion:"", Compiler:"", Platform:""}
      
      [02:43:06] INFO> Exit Status: 0
      undefined method `[]' for nil:NilClass (NoMethodError)
      /home/jenkins/workspace/Runner-v3/lib/cli_executor.rb:68:in `get_version_for'
      /home/jenkins/workspace/Runner-v3/lib/cli_executor.rb:259:in `version'
      /home/jenkins/workspace/Runner-v3/lib/cli_executor.rb:249:in `executor'
      /home/jenkins/workspace/Runner-v3/lib/cli_executor.rb:289:in `user_opts'
      /home/jenkins/workspace/Runner-v3/lib/cli_executor.rb:299:in `exec'
      /home/jenkins/workspace/Runner-v3/lib/api_accessor.rb:71:in `cli_exec'
      /home/jenkins/workspace/Runner-v3/lib/api_accessor_owner.rb:28:in `public_send'
      /home/jenkins/workspace/Runner-v3/lib/api_accessor_owner.rb:28:in `block (2 levels) in <module:APIAccessorOwner>'
      /home/jenkins/workspace/Runner-v3/lib/openshift/cluster_resource.rb:162:in `get_matching'
      /home/jenkins/workspace/Runner-v3/lib/openshift/user.rb:143:in `projects'
      /home/jenkins/workspace/Runner-v3/lib/openshift/user.rb:113:in `block in clean_projects'
      /home/jenkins/workspace/Runner-v3/lib/base_helper.rb:153:in `wait_for'
      /home/jenkins/workspace/Runner-v3/lib/openshift/user.rb:112:in `clean_projects'
      /home/jenkins/workspace/Runner-v3/lib/openshift/user.rb:138:in `clean_up_on_load'
      /home/jenkins/workspace/Runner-v3/lib/user_manager.rb:107:in `[]'
      /home/jenkins/workspace/Runner-v3/lib/world.rb:147:in `user'
      /home/jenkins/workspace/Runner-v3/features/step_definitions/project.rb:21:in `/^I have a project$/'
      features/cli/deploy.feature:35:in `Given I have a project'

Local test passed when using xingxingxia@fe21160
@akostadinov @pruan-rht pls check/merge, thx

[pruan-rht]

/lgtm

[openshift-ci-robot]

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This pull-request has been approved by: pruan-rht, xingxingxia
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[pruan-rht]

I'll merge...Thanks!

[akostadinov]

This should also be fixed in lib/rules/cli/4.0.yaml

[xingxingxia]

Good catch. Will update.