Added in arrow for slideshow/replaced slideshow CSS
Changes 'bloglistposts' to 'blogpostlist' in twig and less files
Adds templateType into metadata
Updates social icon widget code
Fixes navigation alignment issue, ticket DT-702
add bk-header class to header
add page types and images
add style for menu, blog and ecom widgets
add colour for blog-post-metadata
Removes pageTypes from metadata.