orignal js removed:
    actions.js, actions.min.js
    jquery.js, jquery.min.js
    collapse.js, collapse.min.js
    calendar.js

original js updated:
    datetimeshortcuts.js
        - outcommented initialization of js for date fields (use jquery-ui datepicker @see grappelli.js)
    RelatedObjectLookups.js
        Popups:
            - trigger focus/click event of element to open cancel/save footer in changelist
            - open popups with 500x920 instead of 500x800

js added by grappelli:
    
    grappelli.change_list.js
        - all js magic for change_list
    
    grappelli.RelatedObjectLookups.js
        - customization and initialization
    
    grappelli.js
        - grappelli wide features like collapsables
        - hacks like editing dom which is rendered from python code (not customizable via templates)
    
    media/jquery/*
        - "own" jquery (use newer version than original)
        - jquery-ui stuff like datepicker