Use different Vim color scheme on Android

Adding a Solarized color scheme to Connectbot is a pain. Merely setting
to dark mode isn't enough. Instead, this adds a command to set an
environment variable to make Vim use a different color scheme. Set up
the connection to run `no_solarized\n` on login.
Add pyenv project
Conditionally include local path config
Switch installation instructions to Vundle
Merge branch 'master' of github.com:rkennedy/dotfiles