Fix for bug https://bugzilla.52north.org/show_bug.cgi?id=906

git-svn-id: https://svn.52north.org/svn/geoprocessing/main/WPS/branches/WPS-3.1.0-maintenance@3198 15ebfbcb-1bbe-4f7e-88aa-3b0fa5d666c2
Fix for https://bugzilla.52north.org/show_bug.cgi?id=905

git-svn-id: https://svn.52north.org/svn/geoprocessing/main/WPS/branches/WPS-3.1.0-maintenance@3199 15ebfbcb-1bbe-4f7e-88aa-3b0fa5d666c2
Fix for https://bugzilla.52north.org/show_bug.cgi?id=907. Also the mandatory parameter "service" is now handled correctly.

git-svn-id: https://svn.52north.org/svn/geoprocessing/main/WPS/branches/WPS-3.1.0-maintenance@3200 15ebfbcb-1bbe-4f7e-88aa-3b0fa5d666c2
Checks for several request parameters are now handled correctly. Modified two DescribeProcess KVP tests, because they made the wrong assumption that version/service parameters were not mandatory. 

git-svn-id: https://svn.52north.org/svn/geoprocessing/main/WPS/branches/WPS-3.1.0-maintenance@3201 15ebfbcb-1bbe-4f7e-88aa-3b0fa5d666c2
added utility to simplify parsing of wps_config.xml property entries, also implemented wps_config override by system properties

git-svn-id: https://svn.52north.org/svn/geoprocessing/main/WPS/branches/WPS-3.1.0-maintenance@3203 15ebfbcb-1bbe-4f7e-88aa-3b0fa5d666c2
parameterized FlatFileDatabase storage location and wiping

git-svn-id: https://svn.52north.org/svn/geoprocessing/main/WPS/branches/WPS-3.1.0-maintenance@3204 15ebfbcb-1bbe-4f7e-88aa-3b0fa5d666c2
strengthened unit test for PropertyUtil

git-svn-id: https://svn.52north.org/svn/geoprocessing/main/WPS/branches/WPS-3.1.0-maintenance@3205 15ebfbcb-1bbe-4f7e-88aa-3b0fa5d666c2