Add storyboard-webclient to gerrit

Adds storyboard-webclient to gerrit, zuul, and jenkins. This build
will invoke a local bootstrapper in the project itself that compiles
the needed javascript toolchain, including grunt, node.js and bower.

Change-Id: I672fb405b50aa20d246d9ce04846b13e58cff27c
Merge "Add storyboard-webclient to gerrit"