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.
Merge branch 'master' of github.com:greypants/gulp-starter into feature/gulp-starter-merge

Conflicts:
	gulp/index.js
	gulp/tasks/browserSync.js
	gulp/tasks/browserify.js
	gulp/tasks/sass.js
	gulp/tasks/watch.js
	gulpfile.js
	package.json
	src/sass/_typography.sass
	src/sass/app.sass
Merge branch 'feature/gulp-starter-merge' into develop
Refactoring
Remove old files