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 #2596 - bumping up gettext-i18n-rails gem version to 0.10.0

Use facts[:operatingsystemrelease] to determined gentoo release

fixes #2622 - error messages with HTML properly escaped

fixes #1938 Foreman shouldn't use the FQDN fact to identify the node when facts are uploaded

Fixes #2632 - extract strings from validation errors

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)