2.5.6:
    * PHP 8 compatibility fixes

2.5.4:
    * Made jQuery-Scripts compatible to other frameworks
    * Don't link to javascript when not on a singly entry

2.5.3:
    * Functionality: 
     * Added URL-Button to the comment-buttons
     * Added hovertext to buttons
     * Markup-buttons now also react if no text was selected
     * Preview is now deselectable

    * Performance:
     * Reduced HTTP-Requests
     * Reduced size of JavaScript-files
     * Reduced DOM-traversing
     * Ajax-call no longer gets executed twice when markup-buttons and
       preview are activated
     * Ajax-call uses GET instead of POST
     * Added option to use inline-javascript for the parameters
     * Javascript will stop if no commentform is there
     * Moved JavaScript to the footer
     * Added option to specify the path, making it unnecessary to
       determine him dynamically
     
    * Misc:
     * lcnewbase now initialize at the right position
     * Changed the way global variables were used
     * Enabled use of markup-buttons when using another
       plugin-directory than usual
     * Upgraded jquery.elastic to 1.3, which fixes an opera-border-bug