tracker-extract-epub: Fix ontology and sparql used so it's not rejected by miner-fs
tracker-extract-epub: Fix ontology and sparql used so it's not rejected by miner-fs

https://bugzilla.gnome.org/show_bug.cgi?id=706530

outofbits/tracker,hoheinzollern/tracker,outofbits/tracker,hoheinzollern/tracker,hoheinzollern/tracker,outofbits/tracker,hoheinzollern/tracker,outofbits/tracker,outofbits/tracker,hoheinzollern/tracker,hoheinzollern/tracker,outofbits/tracker,outofbits/tracker,hoheinzollern/tracker