Massive configuration overhaul

Currently paying the price of months of non-diligent git usage.

Here's what has changed.

- Theming support in Gvcci and wpgtk
- Dropping support for i3
- Supporting EXWM
- Many Elisp modules
- Collapsed redundant directories in ./configs

configs/shared/zsh/.zprofile

@@ -1,10 +0,0 @@
-# ZSH seems to avoid sourcing ~/.profile during SSH sessions.
-# X (or something else) seems to source ~/.profile with it initializes.
-# Putting this here allows my SSH sessions to have the expected configuration.
-#
-# Putting this here instead of in my .zshrc or .zshenv is advantageous since it
-# is only called once when a terminal is created; subshells and nested ZSH
-# sessions don't re-source this file.
-#
-# See this thread for more information: https://groups.google.com/a/google.com/forum/#!topic/zsh-users/VO2lEJRfFzk
-source ~/.profile