structure change: pgn

+ Added some additional meta data keys.
* Moved the regex strings from the converter to the PGNVocabulary. (Also
the group coment.)
Added public prefixes.

+ Added possible prefix names for public URIs.
* Changed static prefix strings and added reference to rdf vocabulary
COUNT SPARQL Query String

+ Added the possibility to create a COUNT SPARQL Query for counting the
result set.
* Made the Setter methods chainable.
OutputChange, Triplecount

* Modified Log-Writing to use format-Strings.
* Added triple count in logs.
+ Added getter methods for the graph and triple count
start of importer tool for virtuoso
COUNT SPARQL Query fix

No more than ONE variable or the asterix '*' are allowed as
selector/variable/.. inside COUNT.
And remove double space before the 2 variables.
basic implementation of importer - doesn't work ...

Error while adding Triples:
SR185: Undefined procedure DB.DBA.__rdf_graph_is_in_enabled_repl.
-> http://docs.openlinksw.com/virtuoso/errors.html#errSR185
stefan & me, trying virtuoso connection in simple query

Doesn't work. Connection is forming - querying returns nothing, COUNT
fails ...
Have to try native jdbc or http sparql queries...
rdfimporter quick fix

still can't import anything
Merge remote-tracking branch 'origin/master-Querela'