Stray div
Merge branch 'develop'

Conflicts:
	app/templates/home.html
s/regexp/regex/g
Fixed problems introduced earlier with cgi.escape.
Template update, etc.
WTForms; re.compile; better escaping; more consistent, accurate behavior.
JS match group fix
Whoopsie...
Named groups.
Cosmetic changes. Fixed match group bugginess.
Template fix.
Fixed group match numbering
Broke reference out into variable, to ease changes/additions/etc. down the line
Show/hide reference
Change show/hide reference text on click
Fixed match group when match object group method returns None.
Add alert class styling
Site fully working without javascript/AJAX
Fixed match group rendering in <noscript>
JS fix (removed trailing comma)