Add basic integration benchmarks
Add basic integration benchmarks

Currently only memstore is benchmarked and only with gremlin. No
checking of validity of results is performed.

zorojean/cayley,tmlbl/cayley,praisondani/cayley,agupta666/cayley,mjolk/cayley,kortschak/cayley,pombredanne/cayley,panamafrancis/cayley,drhodes/cayley,pombredanne/cayley,tmlbl/cayley,dtkav/cayley,agupta666/cayley,Kavec/cayley,skynet/cayley,drhodes/cayley,Kavec/cayley,jzelinskie/cayley,beni55/cayley,ominux/cayley,sdaros/cayley,karabijavad/cayley,hiteshjoshi/cayley,barakmich/cayley,deskr/cayley,googlearchive/cayley,drhodes/cayley,sayden/cayley,mjolk/cayley,posenhuang/cayley,panamafrancis/cayley,dushmis/cayley,posenhuang/cayley,jacobxk/cayley,ominux/cayley,sayden/cayley,karabijavad/cayley,OrenBochman/cayley,abhishekgahlot/cayley,dtkav/cayley,karabijavad/cayley,samanalysis/cayley,Kavec/cayley,posenhuang/cayley,samanalysis/cayley,OrenBochman/cayley,zorojean/cayley,googlearchive/cayley,Kavec/cayley,HomeMango0310/cayley,cayleygraph/cayley,dtkav/cayley,HomeMango0310/cayley,jzelinskie/cayley,jacobxk/cayley,beni55/cayley,abhishekgahlot/cayley,tmlbl/cayley,gmbuell/cayley,h4ck3rm1k3/cayley,barakmich/cayley,mjolk/cayley,agupta666/cayley,panamafrancis/cayley,posenhuang/cayley,abhishekgahlot/cayley,jzelinskie/cayley,dushmis/cayley,HomeMango0310/cayley,deskr/cayley,azylman/cayley,dushmis/cayley,kortschak/cayley,deskr/cayley,drhodes/cayley,sayden/cayley,1d4Nf6/cayley,sdaros/cayley,azylman/cayley,azylman/cayley,LAlbertalli/cayley,kortschak/cayley,1d4Nf6/cayley,zorojean/cayley,bashtian/cayley,azylman/cayley,jzelinskie/cayley,1d4Nf6/cayley,tmlbl/cayley,h4ck3rm1k3/cayley,ominux/cayley,hiteshjoshi/cayley,skynet/cayley,deskr/cayley,kortschak/cayley,deskr/cayley,gmbuell/cayley,beni55/cayley,zorojean/cayley,beni55/cayley,barakmich/cayley,praisondani/cayley,LAlbertalli/cayley,LAlbertalli/cayley,gmbuell/cayley,sdaros/cayley,barakmich/cayley,jacobxk/cayley,dushmis/cayley,googlearchive/cayley,1d4Nf6/cayley,gmbuell/cayley,sdaros/cayley,ominux/cayley,praisondani/cayley,praisondani/cayley,h4ck3rm1k3/cayley,barakmich/cayley,cayleygraph/cayley,agupta666/cayley,h4ck3rm1k3/cayley,samanalysis/cayley,hiteshjoshi/cayley,kortschak/cayley,h4ck3rm1k3/cayley,karabijavad/cayley,skynet/cayley,OrenBochman/cayley,jacobxk/cayley,samanalysis/cayley,LAlbertalli/cayley,OrenBochman/cayley,skynet/cayley,hiteshjoshi/cayley,googlearchive/cayley,dtkav/cayley,HomeMango0310/cayley,bashtian/cayley,sayden/cayley,abhishekgahlot/cayley,bashtian/cayley,panamafrancis/cayley,pombredanne/cayley,mjolk/cayley,pombredanne/cayley