Issue with building lunr indexes on windows

[gsherman]

I ran into an issue when creating the index for lunr's search.

Chrome's console would show:
Uncaught SyntaxError: Unexpected token ILLEGAL in lunr-index.js

It's because of the multi-line text within the content.
In lunr-index.js, I can see it's replacing newlines with spaces:

body: "<%= section.markdown.replace(/\n/g, " ").replace(/"/g, '\\"') %>"

But that didn't work on Windows.
I replaced it with:

 body: "<%= section.markdown.replace(/(\r\n|\n|\r)/g, " ").replace(/"/g, '\\"') %>"

and that works for me.