Disable Utilization button for Instance if C&U data is not collected

 https://bugzilla.redhat.com/show_bug.cgi?id=1127009
Fixed get_view_process_search_text method call to pass in view.

Changed get_view_process_search_text method to accept parameter.

https://bugzilla.redhat.com/show_bug.cgi?id=1142699
Update label to 'Add Items' when editing a Catalog

https://bugzilla.redhat.com/show_bug.cgi?id=1142364
Merge pull request #582 from h-kataria/disable_enable_utilization_button_for_instances

Disable Utilization button for Instance if C&U data is not collected
Merge pull request #642 from h-kataria/fixed_vm_search

Fixed get_view_process_search_text method call to pass in view.
Merge pull request #649 from bmclaughlin/update-button-label

Update label to 'Add Items' when editing a Catalog