fix install_with_npm
install rbenv and use it for prepare_ruby
simplify install_with_brew and install rbenv plugins
add C-down and C-right tmux bindings for pianobar
start both window and pane numbering at 1
simplify install_with_npm by using npm list
Install tmuxinator and add a small main layout
select the pianobar window more reliably
remove RBENV_VERSION on tmux init in case tmuxinator
tmux window name stays constant
Customize the tmux status bar
Add default rbenv gems to be installed for new ruby versions
bump vim
bump zsh