removed console.py

darcs-hash:20081118080728-b2873-edb7b3d87c1f39150a181025bd23f73368f3fb28
made user reports asyncronous based on pypjua events

added EngineLogger class
made sip_msrp_client use new consolebuffer and enginebuffer
added ":end sip" and ":end msrp" commands to sip_msrp_client.py
changed prompt of outgoing and incoming messages to "time name uri:"

darcs-hash:20081118080745-b2873-af1ecb0dea4254f1baba2886334055face4c03ce