Added latest Autobahn JS (0.9.4) to support pvweb authentication.

Change-Id: I54a1c5e75d9d5c03f8eea45aeb5b218f7fb297ed
Merge topic 'autobahn-update-http-endpoints' into master

b5766936 Added latest Autobahn JS (0.9.4) to support pvweb authentication.