Microservice module for Sherlock

Contains following Go packages:

Package	Description
closer	Handling for io.Closer instances.
datastorehandlers	The way we interpret Entries in Datastore.
envflags	Extends flags with Environment Variable handling.
gcp	Combines all Google Cloud service that we use everywhere.
gke	Ease working with Google Kubernetes Engine.

Contains following Terraform modules:

Module	Description
service_cluster	Module for creating GKE Clusters for Services
service_container	Module for building and uploading Container images for our Services
service_namespace	Module for creating and configuring Kubernetes Namespaces for our Services