Merge tag 'v06' into develop

v2.0
Updated docs and fixed comment typo in site-logo.scss file
Amends to margins on headings
Amended typography mixins and creating heading vars
Created Site Credits module
Added Site Credit module. Added images.
Remove MQ from img left/right
Added Ajax loader and select arrow images
Added button full style for full width buttons
Fix spacing for lists
Revised breadcrumbs to be more compatible with alternative markup
Created item list module
Added list reset
Added display definition so that anchors can have the .img class
Cancelled left padding
Used relative units for super heading sizes
Removed unwanted styles from block-list
Removed unwanted styles from Button class
Docs updates
Removing outdated JS code. Replace with content from Tanlinell.