VE-164: control large tables with overflow instead of popups.
VE-164: keep the old way around for articles that haven't been re-cached.
VE-164: better regex replaces that are safe for nested tables.
VE-164: add table overflow hint.
Merge branch 'dev' into VE-164

Conflicts:
	includes/wikia/Wikia.php
VE-164: fix overflow hint so that clicks can go through.
VE-164: minor cleanup.
VE-164: move second table wrapping element logic to JavaScript.
VE-164: add description of why the table-scrollable element is needed.
VE-164: table wrappers should be applied to Oasis only, for now.
VE-164: only bind resize event if necessary.
Merge pull request #1325 from Wikia/VE-164

VE-164: control large tables with overflow instead of popups.