JS modules broken up

-Moved tab functions to _tabs.js.
-Moved responsive table functions to _tables.js
-Moved color functions to _colors.js

-Added preprocessing appends for JS modules to plugins.js.
Included Slick.js

-Added slick.js to partials/js/
-Added slick.scss to partials/sass/vendor/
-Added slick icon fonts to css/fonts

-Appended slick to plugins.js
-Minor tab fixes.
-Updated prepros config file.