Start of a DataSource browser widget
More work towards DataSourceBrowser
Add a temporary data source name
More DataSourceBrowser hookup.
Fix merge problems.
Fix specs
Add a getName function to DataSource, use that in the browser.
Fix name logic.
Add an event when an object is selected in the browser
Hook up selection in the browser to track objects.
Start on UI for Add Data Source panels.
More work towards data binding to add data source panels.
Fix CSS rules.
Hook up finishing data source addition.
Tweak CSS.
Work on visual appearance a bit.
Add a GeoJson data source panel.
Reset data source panels when showing them.
Instead of data binding to a DOM node, data source panels now must provide a knockout template.
Set button type="button".