Fixed annoying SIP 'NOTIFY' messages printed on console every n seconds from...

Fixed annoying SIP 'NOTIFY' messages printed on console every n seconds from some SIP peers. Also fixed problem where 'INFO' was not being responded to if in 'ignore' state.


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@3110 65c4cc65-6c06-0410-ace0-fbb531ad65f3