1) Everything in ui/ except for js-notes.txt was removed.
2) mv newui/* ui/
3) modified pkg/server/ui.go to make it all work
4) modified Makefile to generate server/camlistored/ui/deps.js
5) regenerated all the zembeds
6) Some fixes to attempt to make it (re-)work on appengine:
-removed the Go1.1 check
-added pkg/osutil/restart_stub.go (for restarting a process)
7) The closure handler now redirects to the online files when
the closure library is not on disk, because we do not embed
the required closure js files.
Change-Id: Id1bcf007550cafb7188ba2674352e8f3bd07fb8c