Fixes #2655 - Display Host buttons on unmanaged hosts if a puppet proxy exists

fixes #2489 - fixes BMC password caused by rails bug accepts_nested_attributes_for and serialized child field

fixes #2484 - host, hostgroup, and BMC passwords were overwritten as blank

fixes #2656 error connecting to vsphere after upgrade to ruby 1.9.3

fixes #2670 - fix apostrophe quoting issue
(cherry picked from commit 4298bd841c3fb2b3f639f06d4cbbb3901f56ec06)

Fixes #2640 - use relative user logout path

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)