fixes #2373 - only reference unattended subnet path when in unattended mode

(cherry picked from commit 754e83c1667ab7af677064f468354d325f59c36f)

fixes #2797 - Submit the final code, not the diff in the config template editor
(cherry picked from commit 99b2e61bed1474451fdef1852d484f009dc4cb2f)

fixes #2791 - ptable api was missing :layout and :os_family
(cherry picked from commit 774ed2d2ac6af23369eafa7658b0a446f3b63adf)

fixes #2782 - LDAP password overwritten as blank
(cherry picked from commit 6a44fab1a948116e93b4690996ae92cfc5d8db03)

fixes #2731 - add color legend to the dashboard
(cherry picked from commit 3a124d9974f702560a13adf8e4c6d7f78f7f4684)

fixes #2713 - do not update nics table on every host update as a workaround to bug #2489
(cherry picked from commit ecd9c9c66389eae0a159485b18afab61e6ee3d04)

fixes #2404 - prevents 404 when updating invalid name used as id
(cherry picked from commit 696420ff788834dad99352d326fa74fd764572cd)

fixes #2710 - removed a superfluous os name check that was tripping up safemode.
(cherry picked from commit c9d6c478febab78d1543f89066c33e1ecf1059f8)

Fixes #2655 - Display Host buttons on unmanaged hosts if a puppet proxy exists
(cherry picked from commit e902d93997b7ed04cc06cebe03674752fafc758d)

fixes #2489 - fixes BMC password caused by rails bug accepts_nested_attributes_for and serialized child field
(cherry picked from commit eaa6aec0023de21f0565b33e98f4c68990c0c2e2)