Merge pull request #125 from elandau/master

Fix Providers to cache and return the same instance
Merge pull request #126 from elandau/master

Fix injecting of EventBus into DiscoveryClient
Fixing build failures

Also removing dependency version ranges as they do not play well with internal netflix infrastructure.
Merge pull request #127 from NiteshKant/master

Fixing build failures
[Gradle Release Plugin] - pre tag commit:  '1.1.132'.
[Gradle Release Plugin] - new version commit:  '1.1.133-SNAPSHOT'.