- Added -q, --quiet (speaks for itself)
   - Added -l, --loglevel subsystem=LEVEL,subsystem2=LEVEL2,...
 - Quell winsock 10035 error. (Equivalent of EINPROGRESS, but winsock likes to have its own error numbers.)
 - Hide SSL certificate debug stuff unless gajim.c.x.transports loglevel is DEBUG or lower
 - Avoid unicode problems if we set a profile
 - Move fingerprint checks from _register_handlers to _connect_success
 - Some enhancements to fpr checking code