8f1c7fdeb71bbb2ddc498f240e1806aee5b72213

Avoid rebuilding the GWT JS every time the Git commit changes by obtaining the version of the UI from the server as part of the host HTML page. This enables BUCK to avoid recompiling GWT code simply because the user modified server code. Change-Id: I4ac5167228bce20fd2dc89af5c1cea13ad3cf739
Description
RETIRED, Gerrit as used by OpenStack