[GEOT-4912] No escaping of object names used in DatabaseMetaData calls
Added missing copyrights and javadocs
A replacement can be fully constructed in the class constructor
GeoPackage: upgrade sqlite, support application_id GP10
MbTiles: upgrade sqlite
Replace strConcat with Concatenate in ExpressionExtractor
Added toString to FunctionImpl
Guard against empty <AnchorPoint>.
Merge pull request #587 from smithkm/expression-tweaks

Minor tweaks to aid debugging CQL parsing
Merge pull request #588 from marcjansen/GEOS-6748

Guard against empty <AnchorPoint>.
Merge pull request #557 from sgraca/GEOT-4912

[GEOT-4912] No escaping of object names used in DatabaseMetaData calls
Merge pull request #580 from NielsCharlier/geopkg

GeoPackage: upgrade sqlite, support application_id GP10