In the javascript editor, '$' characters were getting stomped on when
trying to remove backreferences after doing transformations on text
(Bolding, Italicizing, etc.).  This can be fixed by first escaping the
string to be transformed and then unescaping it afterwards.
Add font awesome link
Merge pull request #805 from MrJaeger/respect-dollar-signs

Allow for $ characters on front-end editor
Fix MathJax CDN URL

According to the [MathJax Blog](http://www.mathjax.org/changes-to-the-mathjax-cdn/), MathJax will retire the `rackcdn` CDN address at the end of this month. Updated the script to used the new CDN URL, and also made it so that the URL is HTTP/HTTPS agnostic, following the [MathJax docs](http://docs.mathjax.org/en/latest/start.html#secure-access-to-the-cdn).
Merge pull request #841 from marcusps/mathjax-cdn-fix

Fix MathJax CDN URL
Update --allow-uploads help text in README
Merge pull request #853 from joscarsson/patch-1

Update --allow-uploads help text in README
Update README.md with installation instructions
Update README.md

GitHub Markup is now using asciidoctor
Use Asciidoctor 1.5.0 new syntax backtick

Asciidoctor 1.5.0 is now using backtick for inline code.
Replaces ASCIIDoc by AsciiDoc to respect the case.
Adds headers to the AsciiDoc editor
Merge pull request #859 from Mogztter/patch-1

Update installation procedure for AsciiDoc
Merge pull request #862 from Mogztter/asciidoctor-1.5.0-syntax

Use Asciidoctor 1.5.0 new syntax backtick
Merge branch 'master' into rc
Merge pull request #864 from Mogztter/asciidoc-headers

Adds headers to the AsciiDoc editor
Made the Gollum theme responsive.

Not a particularly comprehensive change in style, just one that removes all the fixed sizing for browsers below 940px in width.

Closes #831.
Horizontal scroll when table is too wide
Fix css selector for Asciidoctor h1 html ouptput
Merge pull request #873 from Mogztter/issue-871

Fix css selector for Asciidoctor h1 html ouptput
Merge pull request #872 from Mogztter/issue-870

Resolves #870.