Bump src/cloud_controller_ng

Bump clouddfoundry/cloud_controller_ng:
  James Myers: Don't honor hm9000 start commands if the app is using Diego ( Travis created: https://travis-ci.org/cloudfoundry/cloud_controller_ng/builds/25183412 )
  Alex Suraci: specify app stack in diego desire request ( Travis created: https://travis-ci.org/cloudfoundry/cloud_controller_ng/builds/25179522)
Bump src/acceptance-tests, src/smoke-tests

Bump :
  Karl Isenberg:
     Updated to use Wait+Expect instead fo Eventually
     Added expectation that StdErr is empty after a Curl
     Updated to use latest cf-test-helpers
Bump :
  Karl Isenberg:
     Updated to use Wait+Expect instead of Eventually
     Updated dependencies: gomega, ginkgo, cf-test-helpers

Signed-off-by: Michael Fraenkel <fraenkel@us.ibm.com>
Unset the GEM_PATH due to a bug in the maven sass plugin
Fix login server war file path

https://www.pivotaltracker.com/story/show/70614624
Add login server smtp options to cf-properties.yml

So that values provided in a manifest will be applied

https://www.pivotaltracker.com/story/show/69940642
Add PWS Login Server link placeholders.
- To facilitate overriding them in cf-aws-stub for testing on A1.

@see https://github.com/cloudfoundry/deployments-aws/pull/7

https://www.pivotaltracker.com/story/show/70697714
Fixed swapped template values

passwordAttributeName and passwordEncoder default values were swapped.
Now fixed.

https://www.pivotaltracker.com/story/show/71180430
Bump UAA to 1.6.5
Bump Login Server to 1.6.3