Correct factual errors in example movie data.
isolateAggregation now ignores ConstantExpressions
Cypher: Pretty UNWIND
Merge pull request #3012 from bexjones/master

Correct factual errors in example movie data.
Merge pull request #3013 from pontusmelke/isolate-aggregation-ignores-constants

isolateAggregation now ignores ConstantExpressions
a stress test for the standard page cache
should be reusable for other page caches
Merge pull request #3019 from neo4j/pagecachestresstest

a stress test for the standard page cache
Get exact count of number of nodes in the graph.