update browserify, browserify gulp task, and various dependecies.
update browserify, browserify gulp task, and various dependecies.
Remove index.js, move requireDir to gulpfile.js

For clarity, and because there's so little happening, I'm moving the
contents of gulp/index.js back into gulpfile.js
Recongifure browserSync. Fixes #38

Stylesheet injection was broken after sass source map support was
added. This commit reconfigures browserSync to address this.
Break out configuration settings into config file ('gulp/config.{json,coffee,js}); implements #35
Convert config.coffee to config.js :crying_cat_face:

As much as I love coffee, I want to keep things simple for a
wider audience.
Modify browserify task for use with multiple bundles.