Corrected TERM settings.

Removed a "dangling" line from previous experiments.
Configured keys for moving between panes.
Added minimal bash_profile.
Improved exports of env variables
New line width for Erlang files
Convinced tmux that my terminal knows italic fonts.
Added default layout creation for tmux.
Added git aliases
Added profile with both italics and 256 colours support.
Added bash completion for git
Changed status bar colours
Added various colours
Corrected settings for 256 colours support.