Bump src/cloud_controller_ng:

Mark Rushakoff (1):
      App placement prefers DEAs with more available memory

cf-frameworks (1):
      Merge pull request #59 from cloudfoundry/placement-memory
Bump src/dea_next:

CloudFoundry Services Team (1):
      Update README to tell users that vagrant up must be run from dea_ng dir

Matthew Horan and Ryan Tang (2):
      Allow running apps with provided service instances.
      Delete useless test
Bump src/cloud_controller_ng:

Jimmy Da and Phan Le (1):
      Allow to query service instances by gateway_name.