Activate/deactivate click control
Fix #385
Merge pull request #387 from camptocamp/streetview-click

Activate/deactivate click control on StreetView plugin.
Fix display background layers
Don't zoom on layers add
Fix #393
Code style and doc
Correct layer index
Fix #392
Better external WMS layer name
Merge pull request #396 from camptocamp/fix-wmsbrowser

Fix wmsbrowser
WMTS overlay are processed as WMS layers when not in a layer group
Make sure requested basemap exists before activating it
Merge pull request #409 from camptocamp/basemap-check

Make sure requested basemap exists before activating it
Add optional parameters to customize the measure tools vector features
use more explicit parameter name
Merge pull request #416 from camptocamp/measure-styles

Add optional parameters to customize the measure tools vector features
[api] Add user option "backgroundLayers"
[api] Modify example to show use of backgroundLayers
Merge pull request #371 from elemoine/backgroundlayers

API user should be able to choose background layer
WMS overlays should be transparent in API mode
Merge pull request #422 from camptocamp/api-transparent-overlays

WMS overlays should be transparent in API mode
Merge pull request #406 from camptocamp/wmts_rootnode2

WMTS overlay are processed as WMS layers when not in a layer group