Add support for auto-html-processing.

[artasparks]

In many environments - BBS, some blogs -- you can embed scripts, but then you need some way of automatically processing HTML elements.

Thus, I need some script like a glift-auto-html.js that performs this task. In addition, I'll need some canonical way expressing the content. Maybe:

<glift-auto-container> or

<div class="glift-auto-container"> ... sgf content ...