Detect unresolved links directly following an HTML tag.

For example <li>[broken][link].

(cherry picked from commit 46f9f1c8ddd794bc1ee0a440964a82d5b3457b16)
Style change for 'move to top' button
- matches cfengine.com style

(cherry picked from commit d3e97e9b55a1fce6193d8e4ad467b6451a9aaf98)
Added hover underline and icon v-align to ToC link

(cherry picked from commit a6c36f3b0642eec1c596f4086017a0a7e7165cd0)
CSS - line heights on leftcol navigation

(cherry picked from commit 80a1dc81c696351c5876930f7a7721e05e0e4571)
Redirect macro that injects java script to redirect to new page.

Input to the macro is title#section of the target page.

(cherry picked from commit f9f69314d177850fd67d167e1255f58505491d29)