Readd samples, samples-dev, tools/testing/bin, third_party removed by cleanup (no history, sorry)
Add DEPS file which will replace the old all.deps and standalone.deps
Add tools/deps/dartium.deps replacing the old dartium.deps (but now editable from a normal checkout)
Fixup tools/utils.py to use the new archiving schema (git count for be, version number for dev/stable
Fix codereview.settings
