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0.5 preparation

Change sflphone bin to sflphoned
Set deleted pointers to 0
Try to check to the hangupall failure

Cleaning compilation and debug message

Lists tone
move rings to ringtones

Move skin.h from common directory to qt directory
Remove skins/ pixmaps from compilation

Add 000 support
Remove official/Makefile from the configure

Try to reuse the config code, but I was not able to
I create a Conf::Config to replace it...

Patch to integrate a text server
--enable-maintener to play with it

Zeroconf integration
(first part)

Change "pixmaps" to "icons" in global.h