Merge pull request #34 from porjo/porjo

Fix bind fail no-error
Add ProxyRequestTimeout option for long-running backend requests
Update Vulcan library
shutdown on SIGTERM
Merge pull request #42 from porjo/sigterm

shutdown on SIGTERM
Improve log messages for etcd backend
Merge pull request #43 from porjo/ObjectNotFound2

Improve log messages for etcd backend
Adding ConfigurationOptions with endpoint timeouts.
Merge branch 'master' of https://github.com/soellman/vulcand into soellman-master
Couple of adjustments
Merge branch 'soellman-master'
Vendor in new vulcan library version
Add 'rewrite' middleware
Add tests for actual rewrite
Merge pull request #48 from porjo/rewrite

Add 'rewrite' middleware
Pull fix
Fix missing assignment to `err` variable
Merge pull request #59 from mailgun/sasha/exproute

Add support for Trie based routing
Merge pull request #60 from 3onyc/fix-nil-dereference

Fix missing assignment to `err` variable
Handle unexpected errors in etcd watcher