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/.profile

@@ -0,0 +1,68 @@
+# Some programs read from ~/.profile for values. It's best to set environment
+# variables here instead of in ~/.zshrc or similar files, which are sourced
+# everytime a new shell is created. The ~/.profile, on the other hand, is
+# typically sourced only once at login.
+
+PATH+=":$HOME/bin"                            # personal
+PATH+=":$HOME/.local/bin"                     # personal
+PATH+=":$HOME/.cargo/bin"                     # Rust
+PATH+=":$HOME/.rvm/bin"                       # Ruby
+PATH+=":$HOME/n/bin"                          # JavaScript, et al
+PATH+=":$HOME/.yarn/bin"                      # JavaScript, et al
+PATH+=":$HOME/.yarn/global/node_modules/.bin" # JavaScript, et al
+export PATH
+systemctl --user import-environment PATH
+
+# Taken from the EXWM configuration documentation.
+if [ -z "$DISPLAY" -a "$(tty)" = '/dev/tty5' ]; then
+  exec xinit -- vt05
+fi
+
+# Application preferences
+export BROWSER=google-chrome-stable
+export TERMINAL=alacritty # temporary; change this back to `st`
+export VISUAL=emacsclient
+export EDITOR=$VISUAL
+export ALTERNATE_EDITOR=nvim
+
+# Rust integration. Keep here so programs like Emacs can read this value.
+RUST_SRC_PATH="$(rustc --print sysroot)/lib/rustlib/src/rust/src"
+export RUST_SRC_PATH
+
+# TODO: Decide if clipmenu is compatible with EXWM.
+# Ensure clipmenu uses rofi instead of dmenu
+export CM_LAUNCHER=rofi
+
+# Application configuration
+export FZF_DEFAULT_COMMAND='fd --hidden --follow --exclude ".git"'
+export FZF_CTRL_T_COMMAND="$FZF_DEFAULT_COMMAND"
+
+export DOTFILES="$HOME/Dropbox/dotfiles"
+export ORG_DIRECTORY="$HOME/Dropbox/org"
+
+# Prevent compton from fading to the lock screen. This also prevents the white
+# overlay that compton was causing to appear. Still unsure why that was
+# happening.
+# For more information, see the following GitHub issue:
+# https://github.com/google/xsecurelock/issues/28
+export XSECURELOCK_NO_COMPOSITE=1
+
+# This fixes nixpkgs that rely on glibc-2.27, which allegedly breaks locale
+# issues.
+# See this thread for more details: https://github.com/NixOS/nixpkgs/issues/8398
+LOCALE_ARCHIVE=$(readlink ~/.nix-profile/lib/locale)/locale-archive
+export LOCALE_ARCHIVE
+
+# Set environment variables for Nix
+# Don't run this for systems running NixOS
+case $(hostname) in
+  # desktop
+  wpcarro.lon.corp.google.com)
+    . ~/.nix-profile/etc/profile.d/nix.sh;;
+  # cloudtop
+  wpcarro.c.googlers.com)
+    . ~/.nix-profile/etc/profile.d/nix.sh;;
+  # work_laptop
+  wpcarro2)
+    . ~/.nix-profile/etc/profile.d/nix.sh;;
+esac