Fri Jul 14 2017

• Updated boringssl to latest chromium-stable (@pcj)
• Updated grpc-java to 1.4.0 (@zhexuany)
• Fixed broken links in README (@mikesamuel)
• Improve gogo{fast,faster,slick}_proto_compile (@timpalpant)
• Support grpc_gateway 1.2 (@pcj)
• Improved grpc_gateway documentation (@prestonvanloon)
• Update grpc go t0 1.2.1 (@clownpriest)
• Overall documentation improvments (@cheister)
• Fixed require bug (@raraujosc)
• Upgrade gogo deps (@geeknoid)
• Java documentation improvements (@bzz)
• Add support for gogofast, gogofaster, and gogoslick (@douglas-reid)
• Add -request_context option to grpc_gateway_library (@pcj)
• Automatically export //java:grpc_compiletime_deps (@perezd)
• Add importmap to gogo_proto_library (@gsf)
• Documentation improvments (@Maverick-Crank-GRey)
• Improved python support (Nikos Michalakis)
• README update (@wiktortomczak)