Reuse previous nonce if outbound proxy realm is set to avoid reauthentication
Fix nonce reutilization test: since everything is not cleared before each test, compare with previous value instead of 0
fix segfault if response is not included in a transaction
fix debug log
avoid chunked body parser to search for new chunk outside of received data
Clean CMake build system.
Add and install CMake module to find the belle-sip library.
Fix references to antlr3c in CMake script to find the belle-sip library.
Merge remote-tracking branch 'source/master'