Create work-specific branch.

Include work-specific versions of vimrc and bash_aliases.
Only use vimx where available.
Add work bashrc

Work bashrc sources bash_aliases and bash_prompt and sets work-specific
environment variables.
Add simple bash_profile

This file simply sources bashrc, if it exists.
Add generic browser alias

Browser alias uses the environment variable BROWSER to launch a web
browser.
Modify formatting on vimrc file.
Add Vimux mappings to vimrc
Check whether in Tmux instance for vimux
Generalize vless alias

Discover the location of VIMRUNTIME and use that to point to vim's
less.sh script.
Refine ls aliases

Make the 'l' alias use the defaults, with no colors, plus formatting
flags for non-colorized output.

Make ll pipe to less by default, keeping colors intact.
Add hlsearch to vimrc
Add tmux config file with vim bindings
Ensure that pathogen loads help docs
Add vim aliases for exiting bash
Ensure gnome-terminal identifies itself properly
Use vless in path as man pager
Use more readable colorscheme for vimdiff
Reload /etc/profile for gnome-terminal

If gnome-terminal requires its TERM to be changed to its proper value,
source /etc/profile again to ensure things like LS_COLORS get set
properly.
Comment and refine gnome-terminal test
Use readlink to find real HOME