Bump version to highlight breaking changes.

This is a version bump as commits for #56 caused some breaking
changes. Since we haven't pushed 0.4.4 yet to supermarket (or tagged
release, for that matter) let's bump this. There are a few pull-requests
that we are waiting on prior to release.

metadata.rb

@@ -4,7 +4,7 @@
 license 'Apache v2.0'
 description 'Installs/Configures consul'
 long_description 'Installs/Configures consul'
-version '0.4.4'
+version '0.5.0'
 
 recipe 'consul', 'Installs and starts consul service.'
 recipe 'consul::install_binary', 'Installs consul service from binary.'