ignore some emacs created files
zsh: cleanup /usr/local/share/npm/bin:/usr/local/bin:/Users/tonini/bin:/Users/tonini/.bin:/usr/local/sbin:/opt/homebrew/bin:/usr/local/git/bin:/Users/tonini/pear/bin:/Users/tonini/.rvm/gems/ruby-2.0.0-p247/bin:/Users/tonini/.rvm/gems/ruby-2.0.0-p247@global/bin:/Users/tonini/.rvm/rubies/ruby-2.0.0-p247/bin:/Users/tonini/.rvm/bin:/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/bin:/usr/local/heroku/bin:/Users/tonini/.rvm/bin
zsh: no horizontal line in prompt