Tmux solarized parameterization, focus mode

- 's' and 'b' for soundcloud vs work. controls org mode files in .emacs
- tmux: use variables rather than hard coded colors for status text
Solarized

Emacs light vs dark
Po for work and home

uses $FOCUS to determin directory to log into.
Set SOLARIZED_MODE

For use in mutt and other themed console programs
Welcome colors

orange.
Added soundcloud email

- sending with msmtp
- receiving with offlineimap
- configuration in mutt