Fixes #3927: accept authorized net with space but remove them on submit
Merge pull request #315 from fanf/bug_3927/authorized_network_filed_must_strip_spaces

Fixes #3927: accept authorized net with space, remove them on user submit
Merge branch 'branches/rudder/2.4' into branches/rudder/2.6
Merge branch 'branches/rudder/2.6' into branches/rudder/2.7