improving geotiff tests
 added interleaving tests plus some more fixes
better testing for WCS GML kvp
improving tests for Scaling Extension
 more tests on scaling, fixing a few issues with exceptions
more tests on subsetting and scaling
removed hack for error in tests
more tests for WCS20 trimming and slicing
#18, Add more KVP tests for RangeSubset extension
more javadoc
more tests for CRS Extension
#15, Fix Mime Type Management in DescribeCoverage
#15, Fix Mime Type Management in DescribeCoverage
fixing GML tests
Merge pull request #158 from simboss/2.3.x-wcs20

Improve Coverage of KVP and XML Tests for WCS 2.0
 more testing against real data for wcs20
Merge pull request #162 from simboss/wcs20-2.3.x

WCS20 Fixes for trimming, GEOS-5666
[GEOS-5482] GetLegendGraphic does not work for styles with rendering Transformation
GEOS-5549: fixed up/down arrows in LayerGroups UI
 GEOS-5549: fixed up/down arrows in LayerGroups UI, follow up to fix annoying extra issues (arrows on all the time, visual alternation broken, error messages on the console