KML service updates:
 - Default native=0 for KML output for Map Definition.

Test suite updates:
 - Add tests for Rendering/KML/Plotting services
 - Move resourceinfo.tpl to a templates/<locale> subdirectory
 - Fix issues exposed by new tests
   - Add required parameter checking for RenderMap. Fix API doc for RenderMap route
   - Don't set application/pdf mime type when plotting PDF. TCPDF will already do that.