Created a whitelist of all known 403 Forbidden errors occurring in IE8 that are caused by IE8 not passing the referer on redirects.

https://bugzilla.redhat.com/show_bug.cgi?id=1125380
https://bugzilla.redhat.com/show_bug.cgi?id=1123494
https://bugzilla.redhat.com/show_bug.cgi?id=1087539
correctly indent hash contents per rubocop request
additional routes that return 403 Forbidden in IE8

https://bugzilla.redhat.com/show_bug.cgi?id=1125380
https://bugzilla.redhat.com/show_bug.cgi?id=1123494
https://bugzilla.redhat.com/show_bug.cgi?id=1087539
Merge pull request #451 from bmclaughlin/ie8-403-forbidden

Implement whitelist to eliminate 403 Forbidden errors in IE8
Handle AR exceptions when a new Catalog item is created

A call to create_request might lead to AR exceptions in the model that
need to be rescued and passed on to the controller.

https://bugzilla.redhat.com/show_bug.cgi?id=1095457