Add legend id on recodedline and some clean up
Fix #305 to diplay a thumbnail for each supported legends
Delete unused class
Removed unused and duplicate icons.
Add usefull icon for the style node in the TOC
Prepare a workaround to disable style on raster layer
Partial workaround to disable style on raster layer
Workaround on menu action that display a message when the layer is a raster or geostream datasource