ISTWCMS-5633: import of website's header section
ISTWCMS-5633:
- rebasing 1.0.x _card.scss conflict resolved
- confirming javascript for horizontal menu works when pulled into pattern lab footer file
- removing CS fix to javascript for horizontal menu to allow for script to execute.
- addition of the site name to the header, and clean up of the hamburger menu css
- adding the css for colour loops in header color-bar, and horizontal menu
- css lint for 04-components/* , adjustments to header masthead.
- adjusting position of up/down arrow for each use of horizontal navigation pattern
- initial import of header search
- adjustments to the color arrays
- css for search and menu header.
- addition of skiplinks pattern
- css to add correct padding to masthead