Seth Johnson

I had to install `libgtk-3-dev` on 16.10. Once that was done this is the output: ``` ➜ silentcast3 make gcc -c -g -O0 -Wall -pthread -pipe src/main.c `pkg-config --cflags --libs...

The version is 3.20.9. Stable Ubuntu releases are usually a few releases behind GNOME upstream for stability and compatibility reasons (as you're finding, changing versions isn't always easy..). 17.04 will...