Fixing the outline layer.
Merge remote-tracking branch 'upstream/wms_new_layer_factories_clean'
EOxC: Fixing the JSON view.

Changes:
- Removing question mark from the service URL.
- Code clean-up.
Minor change of the GetFeatureInfo templates.
Adding getCoverageInfo WPS process.

It is used by the client instead of the WMS getFetureInfo.
GetCoverageInfo interface and code reworked to ...

... reworked to work with both generic collections and coverages.
Adding visible outlines products.