Merge pull request #27 from euroelessar/master

Fixed statistics requests
Elliptics version update: 2.21.3.1
Create cmake package config
Install cmake package config with elliptics-dev package
Fixed packages depends
Fixed cmake package config directory name
Merge pull request #28 from toshic/master

cmake package config
Merge pull request #29 from euroelessar/master

Wireshark dissector
Fixed read_latest method