* http://piwik.org -> https://piwik.org

* more HTTPS URLs

* some more HTTPS URLs

* test README

* don't show "Plugin Hompage" for Piwik plugins

* fix tests

* compile minified js

(hope I didn't break anything)

* some more small changes

* fix UI test

* comment length in piwik.js changed due to https links

* fix test

* update ui file

* update submodule