Fix leftover links to area=packageservers

Signed-off-by: Norv <a.w.norv@gmail.com>
Quick rename: why package upload would be mapped to action_update()? (!)

Signed-off-by: Norv <a.w.norv@gmail.com>
Split ftp_connect() into a little method of its own.

We will need it again if we make two or more tabs for which we want it.
Document the code.

Signed-off-by: Norv <a.w.norv@gmail.com>