Update pear-HTML_TreeMenu package to 1.2.2.

1.2.2 2010-10-25 10:15 UTC

Changelog:

QA release
Bug #17696 Patch in order to allow minimization of JS code
Bug #7324 Problem using together with XMLRPC
Bug #13665 phpcs errors
Request #14941 Improve PHPCS results (javascript, tabs vs spaces)
Bug #15292 Unit test failure -Fatal error: Call to undefined method Tree::setup()
Request #15957 images dont "work" on dark(er) backgrounds
Doc Bug #16718 sample simple example fails

(taca)