dataslayer per Sean Adams

Supported TMS / variables include:
- Google Tag Manager (dataLayer)
- Adobe Launch rules and data elements
- Adobe DTM page load rules
- Tealium & TagCommander data layers
- custom data layers (any variable represented as a JavaScript object)

dataslayer also displays tags (including pageviews, variables, and click events) from:
- Google Analytics (including Universal Analytics / analytics.js, dc.js, and ga.js)
- Adobe Analytics / Omniture SiteCatalyst
- Floodlight

dataslayer supports multiple tag management data layers / containers on a single page, including those in embedded iframes.