Extract interface for QueryHelper
Removed changes to QueryHelper
renamed query helper
renamed query helper
renamed query helper
refactoring
Fixedd XPath query that failed to fetch the sorting order string
seperated a sql service manager; renamed in services
Narrowed down XPath-Axis for SortOrder selection
Changed scope of DefaultQueryService to public
set visibility to public
made method protected
Merge branch 'ranking' of https://github.com/lat-lon/deegree3 into jrcportal