Update CHANGELOG for 7.0.0.rc.1 changes
Update CHANGELOG for 7.0.0.rc.1 changes

neo4jrb/neo4j,Xenapto/neo4j,cheerfulstoic/neo4j,leviwilson/neo4j,veetow/neo4j,Xenapto/neo4j,neo4jrb/neo4j,leviwilson/neo4j,cheerfulstoic/neo4j,veetow/neo4j