Add contribution guidance

Add CONTRIBUTING.md that points to the same document in chef-cookbooks
Add mention of the contribution document in the top of the README.md
Merge pull request #24 from claco/contributing

Merged automatically by jenkins after successful build test
version bump
Version Bump to 4.1.3
Merge pull request #25 from rackerjoe/master

Version Bump to 4.1.3
move version out of metadata.rb into VERSION
Merge pull request #26 from rackerjoe/master

Merged automatically by jenkins after successful build test
Fix Chef search HTTP 400

This search call in collectd::client was yielding an HTTP 400 (at least when talking to chef server 11.04.1). Seems to have just been a whitespace issue.
Switch to package_options from package_overrides
Merge branch 'master' of github.com:rcbops-cookbooks/collectd into havana

Conflicts:
	metadata.rb
Merge pull request #27 from et1337/patch-1

Fix Chef search HTTP 400