[Nepomuk] new virtuoso-6.1.8 release, safe?

[Simeon Bird]

> Cliff's notes edition, running 'make check' from nepomuk-core-4.11.3:
> 
> Against virtuoso opensource 6.1.6:
> 
> 90% tests passed, 2 tests failed out of 20
> 
> Total Test time (real) = 926.24 sec
> 
> The following tests FAILED:
> 	  2 - datamanagementmodeltest (Failed)
> 	 11 - NepomukResourceTest (Failed)
> 

These two tests are the ones that fail for me against virtuoso 6.1.7 and
pass against 6.1.6...

Simeon