fixes #2710 - removed a superfluous os name check that was tripping up safemode.

fixes #2317 - VM's with the name foreman_########

fixes #2404 - prevents 404 when updating invalid name used as id

fixes #2690 - undefined method gsub! for nil:NilClass on fact import

fixes #2697 again - HostMailer typo and .deliver

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 #2685 incorrect and inefficient regexp checking medium name format

It takes eternity to compute something like this:

"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa b" =~ /\A(\S+\s?)+\Z

Also "this is wrong " was not matched

fixes #2679 pie get error when the label is too long