Initial stab at using jenkins_api_client for job resource
Add error handling for gem load error
Use the xml cookbook for setting up dependencies for nokogiri
Added test for job provider
Saving current status
Merge branch 'master' into COOK-3347

Conflicts:
	.kitchen.yml
	metadata.rb
	providers/job.rb
[COOK-3347] Fix issues with merging master back
[COOK-3347] Removed extraneous files
[COOK-3347] Make job creation idempotent
[COOK-3347] Fix offences found by rubocop on travis
Merge branch 'COOK-3347' into jenkins_user_and_api_client