Covering new configuration format by tests
New command set covered by tests
Major change: migrating to javascript controller began.
Minor fixes
More stuff
Rate control
Http get with load balancing works, a lot of glitches, but almost done
Recovered existing tests, still need to write more and clean it all up
Fix travis
Update for last etcd interface
Update README.md
Update README.md
Update README.md
Update README.md
Update README.md
Update README.md
Update README.md
Rate limiting covered by tests
Merge branch 'sasha/js' of github.com:mailgun/vulcan into sasha/js

# Please enter a commit message to explain why this merge is necessary,
# especially if it merges an updated upstream into a topic branch.
#
# Lines starting with '#' will be ignored, and an empty message aborts
# the commit.
Fix tests