Add additional CSS changes to grapeseed for blockquote, masthead anchors
Refactor user content area of grapeseed CSS
Allow direct links to anchors on page
Correct error with regex change in view content transform
Update view content transform to allow for footnote in markdown

It no longer will incorrectly mangle the HTML when using an actual footnote
reference (e.g. [^myFootnote]: My footnote content).
Fix collection to use countable interface
Improve anchor links to handle headings with HTML and duplicate heading names
Merge branch 'develop'