Bump src/github.com/nats-io/nats.go
Bump src/github.com/nats-io/nats.go

Causes nats.go to use the updated nkeys repo, which contains the crypto
package bump

Bump nats-io/nats.go
  Ivan Kozlovic:
     Merge pull request #549 from nats-io/release_1_9_2
     Release v1.9.2
     Merge pull request #548 from nats-io/update_deps
     Update dependencies
  Derek Collison:
     Changed geo provider

[#171608886](https://www.pivotaltracker.com/story/show/171608886)

Signed-off-by: Clay Kauzlaric <b161dd152ba17987305414195d30c2af856d229f@vmware.com>

cloudfoundry-incubator/cf-routing-release,cloudfoundry-incubator/cf-routing-release,cloudfoundry-incubator/cf-routing-release