tidied up the hack soton section of the homepage.
refactored some of the responsive breakpoints to use the breakpoint variables.
refactored the showcase list CSS / JS to a more reusable scrollable list component.
more refactors on scrollable list to make it possible to handle multiple scrollable lists on a single page.
got testiomonial section working as expected with the scrollable list by adding a width to each item.
improved spacing in the sections.
fixed various issues with the hack soton media element, now using list table.
removed list-avatars class.
refactored colorCycle id selector to now be a CSS class and ensured CSS code is inline with CSS style used throughout.
added first draft of the toolbar.
added documentation to the split element.
refactored the navigation to work with the toolbar and transition in and out based on the users scroll behaviour.
removed debug JS code.
fixed text on hacksoton section to be white.
fixed various issues that was causing horizontal scrolling on smaller viewports.