Env changes/cleanup for new arch install.

* reorged zsh configs
* yaourt completion
* moving more out of .xinitrc and into .i3/config
* i3 using 2px borders
* pinboard popularity counter
* xlscat working with multiple worksheets
* organized aliases into sections: git, arch, ruby, node, etc
* made zshconfig generic and customizable at top-level .zshrc
* enabled nvm
* switched from rbenv to chruby (mostly)
X terminal color scheme: Nancy

Pulled from https://github.com/tlatsas/xcolors