+ removed multiple geometry typedefs
+ use geometry_type
+ revert to storing vertices in vector_vertex
(previous implementation using std::vector was
fragmenting heap causing performance issues with large geometries)
+ FIXME: hit_test is broken!
- sqlite.input: added wkb_format parameter for selecting WKB format (generic/spatialite)
- sqlite.input: commented check of the spatial index
- wkb.hpp: removed wkqSQLite in favour of wkbSpatiaLite