TODO

For project core:
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Management Config like about:config in Mozilla
Improvement of STUN
Add IAX support
Management of account (add, remove, ...)
Management of exceptions
Remove all warnings in compilation
Better handling for an reINVITE request. (done?)
Mono channel, float for portaudio

For project dependencies:
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Improve the autotools scripts of PortAudioCpp


For sflphone-qt:
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Add samplerate combobox if sample rate is compiled
Save account status if modified in configuration
Bug when moving sflphone and clicking inside the lcd


From FIXME:
- sflphoned don't return any result at the second time getcallstatus is called.
- sflphoned don't return a 206 on getcallstatus when one call is ringing.
- unhold should not return an error if it's not holded

- Check if the device as the same name (usb), not only the number
- Combo box for the device