Convert ProfilerAcceptanceTest to FunSuite
Extract ProfilerAcceptanceTests from ExecutionEngineTest
Add test that verifies that PERIODIC COMMIT works with profile()
Update Documentation for PERIODIC COMMIT
Add test that documents that PERIODIC COMMIT doesn't work with the batch resource
Clean up of cache use for cypher compiler 2.1
Add SystemPropertyTestSupport
Refactors ToStream for os-specific path handling
Return IdentityMap from IdentityMap methods
Remove debug line
Correct return type of empty literal collections
Add toUpper and toLower
Merge pull request #2020 from boggle/master

Minor fixes around PERIODIC COMMIT
Merge pull request #2032 from cleishm/collection-type

Correct return type of empty literal collections
Merge branch 'neo4j/2.0-maint' into master
More consistency checking for relationship group records

Added the following checks:
o RelationshipGroupRecord has invalid rel type id
o RelationshipGroupRecord has invalid next pointer
o RelationshipGroupRecord chain is unsorted
o RelationshipGroupRecord refers to relationship that is not in use
o RelationshipGroupRecord refers to relationship that is not first in its
  chain
o RelationshipGroupRecord refers to relationship that is of a different
  relationship type than its group