Merge pull request #17 from bketelsen/master

add metrics support - graphit, stathat, commandline
implemented simple shared secret authentication using the http
authentication header.

- Added flag for -secret. If -secret is an empty string (default), the
  skydns server does not require authorization.
updated readme for shared secret
quick doc update
Add travis support
Merge pull request #21 from ctran/travis

Add support for travis-ci.org
add missing metrics to build file
Update README.md

include the right fork for build
Update .travis.yml

add stat hat dependency
fix bug with -discover. Domains returned from NS lookup will have a trailing .
Support for A records of anchor domain. A record lookups for anchor domain will return all nown SkyDNS instances, in addition leader.anchor.domain will return an A record pointing to the current leader
adding contributors file
adding contributors file
Add Miek Gieben
Merge pull request #22 from miekg/contr

Add Miek Gieben
Added auth for external api
Added tests for success and auth failure.
Merge branch 'master' of https://github.com/skynetservices/skydns

Conflicts:
	server_test.go
added myself.
Update README.md

Made secret startup docs a bit more clear
go vet fixes