-documenting the needed skripting for the configured aspell path in egw_integration.txt
-re-imported spellcheck (aspell) integration from Jose
-switching aspell integration on in fckconfig.js, as documented in FCKeditor_2.x/Developers_Guide/Configuration/Spell_Checker
this should fix the <br type="_moz"> bug.
-added the about button in all egw_config settings, as it enables the user to check the version of the editor
-added the show-blocks button in all egw_config settings, as it enables the user to check the structure elements of his document