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
Started adding the neccessary building blocks
From AST to Pipe through the new query planner

Added LogicalPlanner, QueryGraphBuilder and ExecutionPlanBuilder
Put enough into the new query planner so that all tests pass again