General cleanup

-Unused stuff-
Removed unused DataTableComponent
Removed duplicate active_nav.js
Removed local copy of fontawesome fonts
Removed unused js libs in favor of CDN (see readme.md)

-Javascript loading updates-
Navbars use the function made in last GtwRequire update

- Bootstrap forms -
Now relies on boostcake plugin. No real dependency yet, but some are to
come.

- DataTables -
This code is extremely nasty. This is made to palliate some feature yet
to come in DataTables like injecting classes in created dom.