Bugfix https://bugzilla.52north.org/show_bug.cgi?id=908 - Clean up Dependencies

git-svn-id: https://svn.52north.org/svn/geoprocessing/main/WPS/branches/WPS-3.1.0-maintenance@3209 15ebfbcb-1bbe-4f7e-88aa-3b0fa5d666c2
added connection pooling with apache http client factory

git-svn-id: https://svn.52north.org/svn/geoprocessing/main/WPS/branches/WPS-3.1.0-maintenance@3210 15ebfbcb-1bbe-4f7e-88aa-3b0fa5d666c2