emacs: key logging support and other misc

- Using command-log-mode in anticipation of creating screen casts
- Making permanent my dired woman hook and colorifing a buffer
mu4e: add .mailrc aliases to my completion list

Handy for all of those work related grouping that I maintain in my
~/.mailrc file; particularly when using a consistent prefix.
shell: further tmux configuration
Merge branch 'master' of github.com:jonEbird/dotfiles