Dispatches oLayers.close, oOverlay.ready and oOverlay.destroy
Data attributes are not lower cased when added into the config object
Fixed regression in origami.json
Merge pull request #21 from Financial-Times/attr-case

Data attributes are not lower cased when added into the config object
Merge pull request #20 from Financial-Times/fix-events

Dispatches oLayers.close, oOverlay.ready and oOverlay.destroy
Pass linting
Update demos
Use tabs in demos too