Venil Noronha

**Describe the feature request** Currently, there are only a few unit tests present in the project. It'd be good to add end-to-end tests that run as a part of CI...

**Describe the feature request** Currently, there are 2 ways of installing the adapter i.e. by `curl`ing the [manifest YAML](https://github.com/vmware/wavefront-adapter-for-istio/blob/master/install/config.yaml) or the [released Helm chart](https://github.com/vmware/wavefront-adapter-for-istio/releases/download/0.1.1/wavefront-0.1.1.tgz). Also, installation procedure varies by patch...

**Describe the feature request** Currently, we use [rcrowley/go-metrics](https://github.com/rcrowley/go-metrics) to create Histograms and use [go-metrics-wavefront](https://github.com/wavefrontHQ/go-metrics-wavefront) to send those over to Wavefront. Once [go-metrics-wavefront](https://github.com/wavefrontHQ/go-metrics-wavefront) exposes a new Histogram implementation (based on the...