title: How to delete all relationships in neo4j graph?
body: <p>I need to delete all relationships between all nodes. Is there any way to delete all relationships in the neo4j graph? Note that I am using ruby bindings - the <code>neography</code> gem.
  There is no info about that in the wiki of the gem. I've also tried to find a way to do it in the neo4j documentation without any result.</p>
  
  <p>Neo4j version is 1.7.2.</p>