fix potentially bug in webrtc operators of cache iterator
Merge branch 'develop' of ssh://stash.voipmonitor.org:7999/VS/sniffer into develop
add support for DLT_NULL
do not process UDP port 2000 as skinny if enabled
revert default manager mode to BLOCK mode
NONBLOCK mode use if set configuration parameter manager_nonblock_mode to yes
10.1.12