Reset target_id when "None" is selected in Type pull-down.

- Reset target_id key to nil when target_class selection is set to none.
- Added spec test to verify value of target_id key

https://bugzilla.redhat.com/show_bug.cgi?id=1097876
Show message on login screen when user's group/role has been deleted.

- Changed login screen to show message when trying to login with userid that does not have role or group associated with it or their role/group might have been deleted from database.
- Changed group details screen to not try to show role details of group when group's role has been deleted.
- Fixed/Added spec tests around new changes.

https://bugzilla.redhat.com/show_bug.cgi?id=1090901
Added Patternfly info message styling; removed fielders; cleaned up code
converted tabs to spaces, aligned hash rockets, adjusted formatting
Added access to view Request list and copy/delete for OOTB User role.

- Added access to view Request list and copy/delete for OOTB User role.
- Moved existing code into a new method to redirect user back to where they initiated Provisioning request from in case they don't have access to view list of Requests to prevent it from crashing in UI.  New method is now being called when Submit/Cancel button is pressed on Add Provisioning request screen.

https://bugzilla.redhat.com/show_bug.cgi?id=1126364
Merge pull request #367 from epwinchell/Patternfly_info_messages_ops_2

Patternfly info messages ops 2
Merge pull request #351 from h-kataria/user_with_no_role_or_group

Show message on login screen when user's group/role has been deleted.
Merge pull request #340 from h-kataria/ae_tools_simulation_screen_fix

Reset target_id when "None" is selected in Type pull-down.
Merge pull request #368 from h-kataria/redirect_back_to_vm_explorer_when_user_cant_access_miq_requests

Added access to view Request list and copy/delete for OOTB User role.