Perform :diffupdate as part of screen refresh via <C-L>.
Add :SetupMakeIndent to override indentation settings for Makefiles.
Add experimental snippets for Makefiles.
Experimental: for drmikehenry, try expanding tabs in Makefiles.
Upgrade fugitive to 2013-10-24.
user/jszakmeister: add a git setup routine for use in lvimrc files

This will help maintain settings across multiple machines.
user/jszakmeister: disable the localvimrc sandbox

It's keeping me from controlling the highlighting of long lines and such
for some projects.