[services-ng] support postgresql9.2

Change-Id: Iaf2d985862f4097f9202a548560adf6381a37153
[services-ng] upgrade rabbitmq to 3.0
Sync submodules in update
Make symmetric_secret optional in ccng template

This is no longer a required property in ccng.
Moreover, its absence is used to indicate that the
UAA is using an asymmetric signature for tokens so
it has to be optional in the yaml template.
Bump src/tests:

Bleicke and Tim Labeeuw (1):
      Restructure YETIs, remove all tags [#46161019]
Bump gorouter

4f8d7b3 tests: wait for component server to become available
31baafd mention /routes endpoint in readme
e3ed5e3 refactor info api to use InfoRoutes
7420245 add InfoRoutes to vcap.Component
5faeb39 refactor vcap.Component to serve /varz and /healthz
c16724d stop using global ServeMux
Merge pull request #51: some services moved to contrib repo
let backup manager/snapshot manager support ccng v2 api config change

Change-Id: I2365b63349644def8439df5969e471ea40816f8f
Bump services and CCNG
bump warden
fix postgresql node
Use ruby_next in drain script
Merge pull request #54 from mflu/postgresql92

[services-ng] support postgresql9.2
Merge pull request #57 from EagleChen/master

[services-ng] upgrade rabbitmq to 3.0
remove log_server job

also remove logplex and erlang_r15 packages
bump dea
bump dea_next to something that actually exists
Bump tests

tests shortlog f8abe5b..2e77ab6
Bleicke and Dmitriy Kalinin (4):
  shorten number of failed requests printed out in debugging
  bring back cf-uaac which is needed to create users
  removed unused spec helper
  removed unnessary test
[services-ng] postgresql xlog enforcer

Change-Id: Iea3a8fe55714568c040cee18ab64642214a6053b
bump ccng and health manager