Pretty major i3 config changes. Wrote my own dzen.

- Doesn't use conky at all anymore.
- netpro.sh was an old netcfg tool. Do not need.
- ~/.Xresources was updated to allow proper Solarized color scheme.
  I had no idea I was doing it wrong before!
- ~/.zshrc improvements. I actually used the generation tool and set
  things up the way I want them, rather than just wondering why things
  worked the way they do.