Add API method for deactivating a given plugin
Move the upgrader skins to their own locations so we can use theme elsewhere
Fix file paths. The main path is already trailingslashed
A new API method for installing a plugin from WordPress.org
Add an API method for deleting a given plugin
API support for installing a specific version of a plugin
Fix my last minute refactor
Error reporting when the plugin installation fails silently too
Let's standardize on 'updating' plugins
Let's call it uninstalling, not deleting.
Merge pull request #25 from humanmade/plugin-api-methods

New API methods for installing, deactivating, and deleting plugins