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/.emacs.d/wpc/packages/wpc-java.el

@@ -0,0 +1,42 @@
+;;; wpc-java.el --- Java configuration -*- lexical-binding: t -*-
+;; Author: William Carroll <wpcarro@gmail.com>
+
+;;; Commentary:
+;; When life gets you down, and you find yourself writing Java, remember: at
+;; least you're using Emacs.
+
+;;; Code:
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; Dependencies
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+
+(require 'prelude)
+(require 'macros)
+
+(prelude/assert
+ (prelude/executable-exists? "google-java-format"))
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; Configuration
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+
+;; TODO: Troubleshoot why this isn't running.
+(add-hook-before-save
+ 'java-mode-hook
+ (lambda ()
+   (call-interactively
+    #'google-java-format)))
+
+(add-hook 'java-mode-hook
+          (lambda ()
+            (setq c-basic-offset 2
+                  tab-width 2)))
+
+;; TODO: Figure out whether I should use this or google-emacs.
+;; (use-package lsp-java
+;;   :config
+;;   (add-hook 'java-mode-hook #'lsp))
+
+(provide 'wpc-java)
+;;; wpc-java.el ends here