Adapted tests for proper implementation of range subsetting extension.
Adding missing expected result.
Updated profile element in WCS 2.0 GetCapapbilities responses.
Fixing Post/RangeSubset testcase.
Merge branch 'rangesubset-extension'

Conflicts:
	autotest/expected/WCS20CorrigendumGetCapabilitiesEmptyTestCase.xml
	autotest/expected/WCS20GetCapabilitiesEmptyTestCase.xml
	autotest/expected/WCS20GetCapabilitiesValidTestCase.xml
	autotest/expected/WCS20PostGetCapabilitiesValidTestCase.xml
	autotest/expected/WCSVersionNegotiationNewStyleTestCase.xml
	autotest/expected/WCSVersionNegotiationOldStyleTestCase.xml
	autotest/expected/WCSVersionNegotiationTestCase.xml
	autotest_services/tests/wcs/v20.py