.i3/config: refactor; use markers! :D
.shellrc: +two aliases
.i3status.conf: many changes...!

- reindent using 2-spaces
- shorter interval (useful for volume)
- + a few commented out bits for later reference
- set output format for own wrapper
.zshrc: +usage note for command_not_found
+mpdscribble
+zathurarc
move mpdscribble -> EDIT file
+qtscrob
+commented qtscrob config
neaten up ncmpcpp configs; +Vim-like keybinds
.vimrc: refactor that beast

My .vimrc is now most definitely my own. Almost all comments are written
by me, and it's split into sections using foldmarkers. Lovely :)