Fixes #7592 - flipped the order of logged-in user menu

Fixes #6999 - protect user logout against CSRF requests (CVE-2014-3590)

To avoid CSRF, logout is changed to be a POST request so
protect_from_forgery checks the CSRF token. However, in Rails 3 the only
strategy available is to nullify the session of the attacker....

Fixes #2232 - speed up Host view via AJAX

Fixes #7418 - fixed capitalization for some AR errors

fixes #7299 - do not display 'Mismatches Report' button when no view-host

fixes #7213 - exclude plugin permissions from seeds test

Fixes #4596 - Change parent of host group via AJAX

Reparenting host groups requires submitting the form to see the changes
nowadays, this fix makes the host group model inherit all properties
from the parent and show them in real time.

Fixes #3840 - Removes unused Signo related code

Fixes #7344 - ignore saving errors during fact parsing

Fixes #6444 - add support for virtual NICs

Extend additional interface details refs #2240

NIC facts parsing change and we create interfaces in Foreman according
to facts we recieve.

Subclasses does not define their own attributes and serialize them to
attrs hash. All BMC attributes are extracted to separate columns so it's...