Disabling ssh
Merge pull request #578 from LocutusOfBorg/updated-curl

Disabling ssh
New cmake option for GTK3. Default is GTK2.
make GTK UI compatible to GTK3
Add GTK3 to travis
Merge pull request #569 from LocutusOfBorg/gtk-3

Merging. Now we are GTK3 compatible.
fix bridge sniffing MAC learning issue
move pcap dumper back to GBL_PCAP