use solarized lscolors

git-svn-id: https://svn.sixfeetup.com/svn/private/claytron/dotfiles/trunk@44770 7abc7aa1-7e52-db11-9331-00508bd72530
set up autocommand for psql external editor sessions


git-svn-id: https://svn.sixfeetup.com/svn/private/claytron/dotfiles/trunk@44771 7abc7aa1-7e52-db11-9331-00508bd72530