Activa for Asterisk Code

FIX: callmap item leak when asterisk sends newchannelevent with no channel info. now the crazy event is ignored.

Code review

test_predictive_1249560258_19156 updated

more real callflow scenarios tests added

re-architected to:
- release map locks before firing events
- retain locks while using AsteriskCall pointers

test updated

lint

optimization: now tracing uses string references to reduce unnecessary string-copy

check pAux!=NULL

more room for trace msg buffer buffer
added max_size param to sprintf_s