Inform the user that the link_id cannot be changed
Inform the user that the link_id cannot be changed

Hide the extended help text once the user has created a profile,
since the link_id can no longer be changed.
Also moved the link_id to the top of the screen, to make it look
better when the extended help text is not shown.

Patch by: Sverre Rabbelier

--HG--
extra : convert_revision : svn%3A32761e7d-7263-4528-b7be-7235b26367ec/trunk%402177

SRabbelier/Melange,SRabbelier/Melange,SRabbelier/Melange,SRabbelier/Melange,SRabbelier/Melange,SRabbelier/Melange,SRabbelier/Melange,SRabbelier/Melange,SRabbelier/Melange