Add paragraph tag

Added a p-tag around the opt-out text for better markup and easier styling.
Merge pull request #1 from christianseel/patch-1

Added a p-tag around the opt-out text for better markup and easier styling.
Some improvements
Fix Issue #2 Allow relative urls in css file field
* Issue #3 Code updated to support Piwik 2.1 and newer
Update Version to 0.1.4
Merge pull request #1 from Zeichen32/master

Pull to active