neo4j/neo4j — pull request #762 by boggle (2013-05-06 10:12:33+00:00)
Title: Adds REST API for constraint handling

o REST API for GET, POST, DELETE of constraints
o Adds ConstraintType enum to ConstraintDefinition
o Change: Creating the same constraint twice is a ConstraintViolation
o Adds StmCtx.getConstraints()
o Tests proper TxState handling of the various getConstrains() methods