formatting
add nix ld_run_path env var
include knewton.net in the kerberos-preferred ssh auth setup
git/gerrit settings for knewton
cut back to just maybe vagrant keys for login
don't really care about JAVA_HOME for mac
I don't need this big ugly section
trim back python init to just the shell defs in virtualenvwrapper
add a rbenv section for ruby
comment out go until we are using it
comment out ocaml until we are using it