TLS_RSA_WITH_RC4_128_SHA obsoleted.
TLS_RSA_WITH_RC4_128_SHA obsoleted.

Gorouter will not start with RC4 enabled, so replaced RC4 with AES256_CBC

As of CF227, the RC4 cipher has now been removed from gorouter.
See the release notes for CF at https://github.com/cloudfoundry/cf-release/releases/tag/v227
CF Pivotal Tracker story at https://www.pivotaltracker.com/n/projects/1358110/stories/105237998

alphagov/paas-cf,jimconner/paas-cf,jimconner/paas-cf,alphagov/paas-cf,alphagov/paas-cf,jimconner/paas-cf,alphagov/paas-cf,alphagov/paas-cf,jimconner/paas-cf,jimconner/paas-cf,jimconner/paas-cf,alphagov/paas-cf,alphagov/paas-cf,alphagov/paas-cf,jimconner/paas-cf