check if exists rrdtool before create chart
add rrd version to sniffer_stat
add manager command cleanup_calls
ticket VS-154
webrtc
Merge branch 'develop' of ssh://stash.voipmonitor.org:7999/VS/sniffer into develop
webrtc - fix create partitions
webrtc - add missing source files
adjust makefile for static compilation
10.1.8