Make "Edit data" link aware of the storeType

[afabiani]

This would be a minor but general improvement.

Basically, when clicking on "Edit data" (which means edit layer), the gis client should redirect to a special app allowing people to edit layer features.

The thing is that right now there's no way to distinguish between "Edit data" and "Create a Map" with the same Layer. Moreover, there's no way, client side, to understand which type of Layer/Data we are going to edit: vectorial, raster or remote. A smart gis client could be able to take action accordingly to the type of data.

Therefore, the proposal here would be to simply add another query-string parameter to the "Edit data" button, making it aware of the original "resource.storeType"