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/misc/.irssi/config

@@ -1,45 +0,0 @@
-servers = (
-  {
-    address = "chat.freenode.net";
-    chatnet = "Freenode";
-    port = "6697";
-    use_tls = "yes";
-    tls_verify = "yes";
-    autoconnect = "no";
-  },
-  {
-    address = "irc.corp.google.com";
-    chatnet = "Google";
-    port = "6697";
-    use_tls = "yes";
-    tls_verify = "yes";
-    autoconnect = "no";
-    server_reconnect_time = 5;
-  }
-);
-
-chatnets = {
-  Freenode = {
-    type = "IRC";
-    autosendcmd = "/msg nickserv identify wpcarro ]3Fwus]YF7yXPB6Re/Me";
-  };
-  Google = {
-    type = "IRC";
-  };
-};
-
-channels = (
-  { name = "#nixos"; chatnet = "Freenode"; autojoin = "No"; },
-  { name = "#i3"; chatnet = "Freenode"; autojoin = "No"; },
-  { name = "#pass"; chatnet = "Freenode"; autojoin = "No"; },
-);
-
-settings = {
-  core = {
-    real_name = "William Carroll's account";
-    user_name = "wpcarro";
-    nick = "wpcarro";
-  };
-  "fe-text" = { actlist_sort = "refnum"; };
-  "fe-common/core" = { theme = "default"; };
-};