Merge pull request #526 from ascott1/about

introduce empty about page
better appendix markers
Add class to empty appendix headings
Merge pull request #527 from ascott1/appendix-markers

better appendix markers
always load the help text
Merge pull request #528 from cmc333333/header-spacing

Add class to empty appendix headings
adding css for .empty-header class
fixes drawer issue #1
fixes adam's diff drawer bug
Merge pull request #530 from jpyuda/master

adding css for .empty-header class
Merge branch 'master' into help-text-fixes
use an include for repeated template content
Allow the interpretations slide-down to include more than one interpretation
Open/close multiple interpretations if present
Merge pull request #529 from ascott1/help-text-fixes

always load the help text
Remove debugging line
remove visited links style in bookmarks expandable
Merge pull request #532 from ascott1/css-fixes

remove visited links style in bookmarks expandable
fixes second loading bug h/t CM
add a help view