This is the MS Office PowerPoint 12+ import/export filter for KPresenter

<temporary>
A. Important styles inserted by hand into styles.xml, within:
- office:styles
- office:automatic-styles
- office:master-styles

B. .. and into content.xml, within:
- office:automatic-styles

C. Ids changed to match the generated elements:
sample.odp:                generated:
----------                 ---------
dp1 (drawing-page)     ->  A1
dp3 (drawing-page)     ->  A2

D. PptxXmlSlideReader: we expect two draw:frame elements per page:
- the first has hardcoded presentation:style-name="pr1"
- the second has hardcoded presentation:style-name="pr2"

</temporary>
