fix navbar active selectors (bug 1090027)
Merge pull request #746 from ngokevin/mktgulp

use marketplace-gulp repo (bug 1086947)
Merge pull request #741 from cvan/navbar-active-selectors

fix navbar active selectors (bug 1090027)
fix Dockerfile
Fix navbar rendering when navigation.stack is empty (bug 1088419)

It shouldn't happen, but we have evidence that it does, my guess
is that there is a race condition somewhere causing the navbar to
be rendered before navigation stack is built.
Merge pull request #747 from diox/fix-navbar-render-when-navigation-stack-is-empty

Fix navbar rendering when navigation.stack is empty (bug 1088419)
fix outgoing_links JS error on click; add outgoing_links UI tests (bug 1088435)