Switching out events for plugin.

This is just a more logical way of doing this. You just need to switch {{ snippet:slug }} tags to {{ snippets:slug }} tag.
Added content wrapper
Fixed lang string
Merge pull request #28 from RyanThompson/3.0/develop

3.0/develop
Syntax updates.
Fixing old_version declaration.

Having = null might cause some PHP 5.4 issues. Addresses #29.
Readme update.
Merge branch '3.0/develop'

Conflicts:
	views/admin/index.php
	views/admin/setup/index.php