bump bbs
bump bbs

[finishes #155087374]

Submodule src/code.cloudfoundry.org/bbs 43eb111b9...8ca69e1bb:
  > Remove the `db/etcd` test suite from the bbs
  < get rid of unecessary error logging
  < Revert "Do not log "no rows found" messages as errors in DesiredLRPs and Tasks."
  < Add documentation for migrations
  < Make migration string more readable
  < Replace global Migrations list with factory function
  < Unexport appendMigration; it's not used outside the migrations package
  < Generate migration and test template in make_migration.sh
  < Test that all SQL migrations are idempotent
  < get rid of the target version
  < simplify migration manager
  < get rid of the Down method from the Migration interface
  < add deprecation warning to all fields that aren't used as of version 1.0.0
  < Fix port range for portAllocator
  < BBS Client only returns Error_Timeout if the request timed out
  < make retry logic configurable in bbs
  < Do not log "no rows found" messages as errors in DesiredLRPs and Tasks.
  < add more logging to the SQL runners
  < Remove the `db/etcd` test suite from the bbs
  > get rid of unecessary error logging
  > Revert "Do not log "no rows found" messages as errors in DesiredLRPs and Tasks."
  > Add documentation for migrations
  > Make migration string more readable
  > Replace global Migrations list with factory function
  > Unexport appendMigration; it's not used outside the migrations package
  > Generate migration and test template in make_migration.sh
  > Test that all SQL migrations are idempotent
  > get rid of the target version
  > simplify migration manager
  > get rid of the Down method from the Migration interface
  > add deprecation warning to all fields that aren't used as of version 1.0.0
  > Fix port range for portAllocator
  > BBS Client only returns Error_Timeout if the request timed out
  > make retry logic configurable in bbs
  > Do not log "no rows found" messages as errors in DesiredLRPs and Tasks.
  > add more logging to the SQL runners

Signed-off-by: Charlie Vieth <ea3f0b85bda195c42ceb97da0f596f9d6d014e12@pivotal.io>

cloudfoundry-incubator/diego-release,cloudfoundry-incubator/diego-release,cloudfoundry-incubator/diego-release,cloudfoundry-incubator/diego-release