test fixes

installation link removed
bugzilla hook not skipping
Merge pull request #1225 from dajohnso/more_fixes

test fixes
cluster model page
model page for cluster
Merge pull request #1209 from akarol/cluster

Cluster
Small docs fixes
Merge pull request #1227 from psav/docs_fix

Small docs fixes
Add tenant support to OS mgmt_system
Merge pull request #1226 from psav/tenant_support

Add tenant support to automation