Use hostname-or-ip field type to support IP address (ALT #37010).

add maxfail, holdoff, lcp-echo-interval, lcp-echo-failure options

implemented --clamp-mss-to-pmtu autosetup (closes: #26124)

disabled Van Jacobson compression by default (reported symptom:
alt1)
updated Packager:
added an Url:

use setsid for ifup comand.

disable UI if connections do not exist (closes: #21693).
join callbacks for qt and html.
improve connection start (by inger@)

qt ui: add margin
backend: replace own start/stop functions with standard from alterator-net-functions

use modern form library, ajax interface and alterator-net-functions

move translations and help to alterator-l10n

merge with inger

use help from l10n

minor module update
backend: don't work with empty names

add DOCTYPE to html template

remove title and h1 from html template

replace constraints with types

use write_debug from alterator-sh-functions