Added CouchDB cookbook.

 On branch master
	new file:   cookbooks/couchdb/CHANGELOG.md
	new file:   cookbooks/couchdb/README.md
	new file:   cookbooks/couchdb/attributes/default.rb
	new file:   cookbooks/couchdb/files/default/couchdb.init
	new file:   cookbooks/couchdb/metadata.json
	new file:   cookbooks/couchdb/metadata.rb
	new file:   cookbooks/couchdb/recipes/default.rb
	new file:   cookbooks/couchdb/recipes/source.rb
	new file:   cookbooks/couchdb/templates/default/local.ini.erb
	new file:   cookbooks/couchdb/templates/default/port_couchdb.erb