Interactive feature improvements + more

Added/improved:

• Improvements to interactive features:
  • Keep images aligned in the Compare slides [IP-230]
  • Display primary image captions [IP-229]
  • Provide the ability to show full-width video [IP-232]
  • Fix spacing on split slide media [WEB-2994]
  • Improve the way image credit data is structured in interactive features [IP-231]
• Update primary nav mega menu links to be clickable [WEB-2989]
• Remove the use of the route method from mega menu to improve performance
• Refactor Salesforce Marketing Cloud integration to use their REST APIs 
• Improve the behavior of the email subscription management page [WEB-2992]
• Rename  all code references from catalogs to publications [WEB-2971]
• Validate design concepts for publications landing page [WEB-2976]
• Update crop params for new hero images on digipubs [PUB-292]
• Add the ability to hide galleries from My Museum Tour [WEB-2981]
• Add logic check for if the press release page is published  [WEB-2988]
• Improve browser page titles with filters and pages are selected for SEO [WEB-2998]
• Remove krpano viewer [WEB-3000]

Fixed:

• Fix video embed sizes on digipubs [PUB-289]
• Fix split block spacing in digital publications [PUB-293]
• Fix title alignment of non-digital publications pages [WEB-2978]
• Fix indenting in the Magazine archive panel [WEB-2919]
• Fixes to magazine landing tile styling [WEB-2968, WEB-2969]
• Fix alignment of mega menu hover-over [WEB-2977]
• Fix formatting of descriptions in My Museum Tour PDFs [WEB-2979]
• Remove quotes from css keywords
• Fix hero image display bug on widescreen views [PUB-298]
• Fix letter spacing for RLC showcase headers [WEB-2997]