Namespaced all dependency variables

Everything follows the format `wordpress__role__variable`

Author: carlalexander

CHANGES.rst

@@ -6,6 +6,8 @@ v0.3.0
 
 *Unreleased*
 
+- Namespaced all dependency variables for the ``wordpress`` role. [carlalexander]
+
 - Changed ``wpcli`` role prefix from ``wpcli_`` to ``wpcli__``. [carlalexander]
 
 - Changed ``wordpress`` role prefix from ``wordpress_`` to ``wordpress__``. [carlalexander]

UPGRADE-0.3.md

@@ -9,6 +9,7 @@ your server. In most cases, this means the name of your server.
 
 ### WordPress
 
+ * Rename all role dependency variables to follow the format `wordpress__role__variable`.
  * Rename all `wordpress_*` variables to `wordpress__*`.
 
 ### WP-CLI