Add ability to specify additional root paths like [MathJax].  Resolves issue #737.
Remove new Function() calls, and isolate eval() to be used only when necessary.  Resolves issue #256.
Update version of ctop.xsl used in content-mathml extension.  Issue #692.
Add check that font name is valid.  Resolves issue #615.
Clear \label even if there is no \tag or equation number.  Resolves issue #691.
Fix unitless width and height in HTML-CSS mglyph, and fix aspect ratio when only one is specified in SVG output.  Resolves issue #763.
Merge remote-tracking branch 'dpvc/issue737' into develop.  Issue #737.
Merge remote-tracking branch 'dpvc/issue256' into develop.  Issue #256.
Merge remote-tracking branch 'dpvc/issue692' into develop.  Issue #692.

 the commit.
Merge remote-tracking branch 'dpvc/issue615' into develop.  Issue #615.
Merge remote-tracking branch 'dpvc/issue691' into develop.  Issue #691.
Merge remote-tracking branch 'dpvc/issue763' into develop.  Issue #763.