Start removal of interval criteria: - Does not work in DotSpatial, ranges are specified as a "substring" rather than a full string (e.g. x<= 5 would also include results <=5x, where x is an arbitrary number of digits_WTI-1551
- Added thematical test data for concrete implementation of map data: -- Refactored filter criteria => extracted general methods to set MapThemes and their criteriaWTI-1551
- Added thematical test data for point map data - Fixed bug, surround values with ' in the filter expressions for ValueCriteria send to DotSpatial componentsWTI-1551