Neo4j Mazerunner 1.1.1

• Added new graph algorithm: Betweenness Centrality
• Upgraded all Neo4j dependencies to 2.2.1
• Upgraded all Spark dependencies to 1.3.1

Neo4j Mazerunner 1.1.0

1.1.0 release of neo4j-mazerunner.

• Upgraded all Neo4j dependencies to 2.2.0
• Upgraded all Spark dependencies to 1.3.0