duplicated put
NCBO-173 write_in_chunks? can be a parameter in the future
write/delete in chunks - starts testing
NCBO-173 test for write in chunks
NCBO-173 only delete for not empty delete graph
NCBO-173 if no delete do not sleep
NCBO-173 test reentrant queries
change query time out for /sparq/
triple store status - 4store specific
NCBO-173 test for triple store status with 25 threads
NCBO-173 sleep time base on status of the triple store
"application/rdf+xml" as default mimetype in slicing