Added redirect_identities attribute to SIPSessionDidFail notifications

Ignore-this: fac81a6893e0b411cb67abdff641dbd7

darcs-hash:20100105114234-1e3d8-e0b2ebe0eac19055df4981883df44b53e292475f
Fixed registration behaviour when settings are changed

Ignore-this: 97bba381f8569548a1e0a21410fd473c

darcs-hash:20100105150244-1e3d8-25847febe9acc0cc836e71781962300959f5582a