gulpfile.js: adding cbpSplitLayout.js, and classie.js to the gulp javascript minification task. This allows those dependencies to be made available in the final minified javascript file.
master.scss: uncommenting the vendor scss, to include all vendor sass.
__vendor__.scss: the import statement has been altered to now  bring in the newly created split-layout.scss.
split-layout.scss: this file replaces _example5.scss, and it contains the css used in the codrops example code.