add a port field in the GTK account window configuration

Reduce volume to 10%
TODO: restore volume when hangup

You can switch from ALSA to Pulseaudio from the config window

If pulseaudio is selected, the alsa configuration panel gets hidden

Not very functionnal

French translation , sexy-icon

In the edit menu

Due to toolbar_remove

Conflicts:

	sflphone-gtk/src/actions.c

The struct was reused when calling a number from the history, instead of being reallocated
It should be reallocated so that the previous struct could be changed

Format duration display
Display the duration in all cases??