GEOS-6476: Fixing NPE on animate requests on WMS-EO plugin
Merge pull request #650 from geosolutions-it/GEOS-6476

GEOS-6476: Fixing NPE on animate requests on WMS-EO plugin
GEOS-6577: Updating documentation, referring the proper imageio-ext version
[GEOS-2935] Support for Oracle curve geometries