Gulp error on watch

[jfarthing84]

As mentioned in #177, there are still Gulp errors when watching.

$ npm run watch

> vanilla-bootstrap@ watch /media/www/forums/themes/bootstrap
> gulp watch

[14:17:39] Using gulpfile /media/www/forums/themes/bootstrap/gulpfile.js
[14:17:39] Starting 'watch'...
[14:17:39] Finished 'watch' after 207 ms
[14:18:27] Starting 'styles'...
[14:18:33] style.css 206.17 kB

/media/www/forums/themes/bootstrap/gulpfile.js:64
    return server.changed(file.path);
                  ^
TypeError: Object #<Stream> has no method 'changed'
    at /media/www/forums/themes/bootstrap/gulpfile.js:64:19
    at Gaze.<anonymous> (/media/www/forums/themes/bootstrap/node_modules/gulp/node_modules/vinyl-fs/node_modules/glob-watcher/index.js:18:14)
    at Gaze.EventEmitter.emit (events.js:98:17)
    at Gaze.emit (/media/www/forums/themes/bootstrap/node_modules/gulp/node_modules/vinyl-fs/node_modules/glob-watcher/node_modules/gaze/lib/gaze.js:129:32)
    at /media/www/forums/themes/bootstrap/node_modules/gulp/node_modules/vinyl-fs/node_modules/glob-watcher/node_modules/gaze/lib/gaze.js:415:16
    at StatWatcher._pollers.(anonymous function) (/media/www/forums/themes/bootstrap/node_modules/gulp/node_modules/vinyl-fs/node_modules/glob-watcher/node_modules/gaze/lib/gaze.js:326:7)
    at StatWatcher.EventEmitter.emit (events.js:98:17)
    at StatWatcher._handle.onchange (fs.js:1109:10)
npm ERR! weird error 8
npm WARN This failure might be due to the use of legacy binary "node"
npm WARN For further explanations, please read
/usr/share/doc/nodejs/README.Debian

npm ERR! not ok code 0