Update dockerfile to build protoc plugin

Remove trailing whitespace;

remove whitespace

docs: add details about the Istio integration

This adds links related to the Istio integration for gRPC-Web.

Signed-off-by: Venil Noronha <veniln@vmware.com>

A script to compile protoc plugin

Bump to version 1.0.2 (grpc#359)

Bump version to 1.0.1 (grpc#357)

Bump to 1.0.0 in preparation for GA

Merge pull request grpc#267 from stanley-cheung/master

Bump to version 0.4.0

Merge pull request grpc#252 from stanley-cheung/master

Minor edits