Added fancy glossary

[gjvnq]

Made a glossary system that has fancy tooltips, print support and also works with tab navigation as well as clicking and has decent mobile support.

The information is contained in public/lang/_glossary.js files.

[gjvnq]

Example of what glossary entries look after today's updates.

The pink border is to call the user's attention towards the short definition.

[Twipped]

Sorry for the delay in reviewing this. It needs to be checked out locally to do so and I haven't had the time/executive function to get to it.