GSIP-115: CoverageView GUI and classes
Merge pull request #620 from geosolutions-it/GSIP-115_PR

GSIP-115: CoverageView support
Fix ResourcePoolTest failure in path with spaces [GEOS-6551]
Fix GeoServerPersisterTest failure in path with spaces [GEOS-6551]
Fix support for dynamic symbolizer CQL templates [GEOS-6551]
Fix bad URL to File conversion