Reverse dependencies for blobstore_client

Latest version of the following gems require blobstore_client

Gem	Version	Date	Downloads
bosh_cli +2.03 Million Downloads	`1.3262.26.0` February 15, 2017	February 15, 2017	2.03 Million
bosh_cli_plugin_micro +1.06 Million Downloads	`1.3262.24.0` November 02, 2016	November 02, 2016	1.06 Million
bosh-director +1.01 Million Downloads	`1.3262.24.0` November 02, 2016	November 02, 2016	1.01 Million
bosh-release +996 Thousand Downloads	`1.3262.24.0` November 02, 2016	November 02, 2016	996 Thousand
bosh_agent +479 Thousand Downloads	`1.2652.0` July 21, 2014	July 21, 2014	479 Thousand