- moved internal methods to the private section in KHTMLPart
- merging methods with similiar argument list
- some const fixes etc.
- removed deprecated/outdated methods, added compatibility methods
  (inline) for commonly used ones.
- fix baseURL mess for real (move the handling to DocumentImpl)
- fix empty path on http-servered documents
- added "destruction mode" to khtml. when unloading a webpage, do no
  longer recalculate the stylesheet or apply global dynamic changes.
- fix handling of relative stylesheet-urls

svn path=/trunk/kdelibs/; revision=109953