fixes #2931 - API v2 hosts JSON response, add *_name for each *_id

fixes #3762: menu urls defined using hashes should prefix controller name with a '/' (use absolute controller names)

fixes #3018 - API v2 metadata for pagination, search, order in index collection json response

fixes #3011 - default root node name for api collections json response to :results but make it configurable

fixes #3737 - added PXEGrub specific PXE localboot template

refs #3510 - ensure rescue statement works

fixes #3724 - correcting Red Hat names in some UI texts

fixes #3736 - users API uses login name as an identifying attribute

fixes #3684 - add IDs to top level dropdown menus

fixes #3673 - auditing added to ptable w/ test