Fixes #2642 - Display build button if host type has changed

Fixes #2641 - Add type_changed check to JS to allow form to refresh when provisioning a discovered host

fixes #2636 host submit missing progress-bar when installed at sub-domain

fixes #2631 - fix remote code execution via controller name (CVE-2013-2121)

fixes #2630 - restrict assignment of roles to those a user has (CVE-2013-2113)

Fixes #2038 - updated config and partition table templates using ones from the community repository

fixes #2616 - Hostgroup fields not populating when parent fields are selected

Fixes #2615 - failed to save host group

If there was current organization selected, organizations got doubled
which prevented save. Fixed and added test for this part.

fixes #2623 - trends link was broken

fixes #2599 - Bulk-selectable environments & puppet classes import

Makes the Env/Classes import a bit safer by first of all defaulting all the
checkboxes to be unchecked. Also adds multiple toggle links to selectively
realize All/New/Changed/Obsolete puppet modules.