creation of books medium relevance component
adding correct classes and facia container inner
moving css to commercial component from books to run across all high comps
Remove current from NavItem, not being used
Remove searching of all tags in SectionLink currentFor
Add method for seaching through all tags against SectionLink with
currentForIncludingAllTags
Add methods to NavItem for proxying searching through all tags via
SectionLink AND also searching through both currentFor and
currentForIncludingAllTags
Search without all tags first THEN search with all tags if that fails
Change Navigation localNav to return an Option NavItem
Use this to search using searchForCurrentSublink
Polyfill function.bind take 3
Remove switch around cut-the-mustard function bind
Remove dependency on NewSeoSwitch in FaciaPage
Remove FrontPage
Remove NewSeoSwitch
Optimize imports
Add empty for SeoData
Add defaultFaciaPage for FaciaPage
Use FaciaPage.defaultFaciaPage for FaciaController serving of
collections
Only show two comments on page load
styling for masterclasses
Revert "Merge pull request #4382 from guardian/revert-pull-request-4381"

This reverts commit d9227ca2dfa630e5cf6fe703c5488809595d2e38, reversing
changes made to 071544d6f5bf607f0195ddf277d726533e6be148.