Add scale, compress, and title options support to the book dialog.
* src/plugins/book.glade: Reduce minimum window height to 600 pixels.
* src/plugins/WriteCD.py (on_ok_clicked): Correct indentation.
* src/GrampsCfg.py (loadConfig, save_data): Correctly parse gconf key.
svn: r2656
* src/docgen/PdfDoc.py: proper handling of center_text
* src/plugins/TimeLine.py: switch to using center_text instead of draw_text
* src/plugins/AncestorChart2.py: switch to using center_text instead of draw_text
svn: r2623