and retrieval xml test. This second rewrite seems better than the
previous one. Maybe it's not perfect bug finally it's good enought
to move ahead now.

Annotations:
  Restored and verified XML loading/saving with recursive storing and
  retrieval of referenced objects. 100% verified and tested. Finally
  all is working as expected. The structure is clean and it's simple
  to choose the way to go now: rendering. Updated AnnotationUtils, More
  comments, removed leak.
Page:
  Adapted to changes to AnnotationUtils and Annotation, changed context
  saving.
Misc updates on TODO and PDFGenerator (fixed Ext flag).

svn path=/branches/kpdf_annotations/kdegraphics/kpdf/; revision=403863