add multi versions configurations  to all services

1. add supported_versions, version_aliases to service gateway jobs
2. add supported_versions, default_version to service node jobs

Change-Id: Id670840444107a622eee7c43e7c0c88f8fbcede2
Bump cloud_controller, stager, core

   cloud_controller:

   $ git shortlog bdfd70b..2676821
   Jennifer Hickey (1):
      Bump vcap_staging to rails console fix

   stager:

   $ git shortlog 47ac329..3903fca8
   Jennifer Hickey (1):
      Bump vcap_staging to rails console fix

   core:

   $ git shortlog a3ebc07..91116e9c
   Andrew Liu (2):
      [dev_setup] add versions support to all services
      Merge "[dev_setup] add versions support to all services"

   Anfernee Gui (1):
      [dev_setup] Fix memory leak in lua code in nginx

   Jennifer Hickey (1):
      Bump tests pointer

   Nicholas Kushmerick (2):
      Update Blob service description
      Merge "Update Blob service description"

Change-Id: Ic69dc9644afc2de11115ea60587d28c7ad4016ce
change cc log level to "info", parametrize it.

changed the log level for cc and rails from "debug" to "info".

Additionally, the log levels can now be explicitly controlled by the
deployment manifest using `properties.cc.logging_level` and
`properties.cc.rails_logging_level`, respectively.

Change-Id: Ie2377f2dbde9b2705458dd5fbb6849f2b922e0f3
Merge "Bump cloud_controller, stager, core"
Merge "change cc log level to "info", parametrize it."
Merge branch 'built'
Merge "add multi versions configurations  to all services"
bump CC, dea, HM and services pointer

vcap:
enable cc_partition functionality.

by default, only one partition will be used, named "default".

No configuration changes are required at this point.

No change in system behavior to be expected.

services:
add update_snapshot_name api

service version configuration becomes mandatory

shortlogs
src/cloud_controller:
$ git shortlog 2676821f..d4319070
Andrew Liu (2):
      [CC] add update_snapshot_name api support
      bump vcap_common

Bob Nugmanov (3):
      Allow partitioning of cc
      Merging side-by-side-poc branch back into master.
      Merge "Merging side-by-side-poc branch back into master."

src/services:
$ git shortlog ac31866f..3cf7337d
Andrew Liu (3):
      fix mysql rollback from snapshot function
      bump vcap_common and vcap_services_base
      Merge "bump vcap_common and vcap_services_base"

Eagle Chen (1):
      Use KILL for killing long transaction

Frank Lu (1):
      Keep the max conn limitaion after restoring

Nicholas Kushmerick (2):
      Update Blob service description
      Merge "Update Blob service description"

src/dea:
$ git shortlog 57eeebe..48960e6a
Bob Nugmanov (2):
      cc partitioning
      Merging side-by-side-poc branch back into master.

src/health_manager_next:
$ git shortlog 28f1b8d9..d4493d9d
Bob Nugmanov (8):
      use droplets_analysis config param name
      cancel pending delayed restarts on droplet update
      cc_partition
      add dea_tenancy and world_sym utilities
      improve missing_indices calculation.
      dea_tenancy util: show cc_partition
      use Steno instead of VCAP::Logging
      source steno gem from github

Chloe Jackson (1):
      Update README to include Bug filing info per Deepika

Change-Id: I6f59acaa4041f2385bd3cfcf3d9e4a3333788c32