Strengthened tests to expose bugs with unindexed..

queries.
QuerySets are now backed by Cypher over the...

Groovy scripting plugin. Paged traversals and Javascript-based filters
have been removed.
Merge branch 'cypher_backed_querysets' of github.com:mhluongo/neo4django into cypher_backed_querysets

Conflicts:
	neo4django/tests/nodequeryset_tests.py