Add groupcache transitive dependency to Gopkg.toml (#281)
Add groupcache transitive dependency to Gopkg.toml (#281)

1. Why is this change necessary ?
   Add github.com/golang/groupcache onto Gopkg.toml file until the crd-watcher imports the transitive dependency. Related to #279

2. How does this change address the issue ?
   dep makes sure that this package is not deleted even if it not imported for every dep ensure.

Signed-off-by: gkGaneshR <3ffdcdce3be7a2573e21b866f581857db5c37d6e@gmail.com>
openebs/maya,prateekpandey14/maya,AmitKumarDas/maya,openebs/maya,AmitKumarDas/maya,openebs/maya,prateekpandey14/maya