jQuery loading in tree.xml

This version introduces multiple enhancements:

to resolve some problems with missing jQuery, loading was moved from modul1 to tree.xml and added to be load in all pages/subpages

Details of additions/deletions below:
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Modified:   /BLUE_FRAMEWORK/modules/modul1/modul1.php
            -- Updated --
                run comented method that was loading jQuery

Modified:   /BLUE_FRAMEWORK/cfg/tree.xml
            -- Added --
                loading jQuery from external source