Bump ccng

ccng shortlog

David Sabeti and Kowshik Prakasam (1):
  Limit max file descriptors to 16k [#finishes 42403049]

David Sabeti and Max Brunsfeld (1):
  Bump rspec version

Harshawardhan Gadgil (2):
  Send provider in gateway provision request (with bump
  to vcap-common)
  Add spec to ensure basic information in GW
  provision request

Jim Apperly (1):
  Update LICENSE and NOTICE

Kowshik Prakasam and Nate Clark (2):
  Use unique app_run_id decoupled from app version
  Drop runaway quota and free / paid memory limits.

Nate Clark (2):
  Update the app version when memory changes
  Consider time zones when querying for billing events

kushmerick (1):
  Merge pull request #2 from hgadgil/master

Change-Id: I92bb7af8a4cba589460e54688957de3802d3eaaa
Merge "Bump ccng" into staging