deprecating grab_file_lock configuration setting
Fixed some high-prio warnings, courtesy of findbugs. One missing hashcode implementation, one incorrect equals implementation for paths and one confusing loop.
Merge pull request #551 from lassewesth/grabfilelock

deprecating grab_file_lock configuration setting
Merge pull request #553 from systay/lazy-idx-all-nodes

Changed so index queries and all-node queries use Iterator instead of Iterable
Merge pull request #554 from systay/optimisations

Minor Cypher optimizations
Fixes #489 - CREATE UNIQUE does not work as expected inside FOREACH
Merge commit '53094b8f6765b57c2b654b8d70255b74833c8b24' into merge
Merge branch 'master' into 2.0