resolves #628 enable sidebar toc for small screens
Merge pull request #635 from mojavelinux/issue-628

resolves #628 enable sidebar toc for small screens
small optimizations in built-in templates
fix custom template loading for core tests
resolves #629 add user-home attribute that resolves to user's home directory
Merge pull request #646 from mojavelinux/issue-629

resolves #629 add user-home attribute that resolves to user's home direc...
resolves #643 add vbar attribute, make brvbar resolve properly
Merge pull request #645 from mojavelinux/issue-643

resolves #643 add vbar attribute, make brvbar resolve properly
resolves #647 don't assign role attribute if quoted text has no roles
Merge pull request #648 from mojavelinux/issue-647

resolves #647 don't assign role attribute if quoted text has no roles
change link delimiter used in CHANGELOG