Added styling documentation
      Changed ` to +
      Cleaned up doc errors

Dave Copeland (4):
      consolidated the heroku_secure into heroku cmd
      option to force overwrite of heroku files
      regen the CLI documentation
      uses bundler by default

Scott Bale (4):
      Initial hack to get PDFKit to work
      PDF with PDFKit: clean up previous hack, properly load all sh_lang files from directory
      PDF with PDFKit: update README
      PDF with PDFKit: use 'static=true' when generating PDF so that the <img src=... paths work correctly

Scott Chacon (3):
      getting all the assets actually needed and slides to relative
      provide a hook for slides loaded
      fix instructions of how to run example preso