documents.

We can now (more) correctly render cell widths,
documents containing more than just a table,
documents containing lists within table cells,
and documents containing variable formatting
within a single table cell.

Significantly improves rendering of example in
http://bugs.kde.org/show_bug.cgi?id=154980
There is still an issue relating to list indenting.

CCBUG:154980.

svn path=/trunk/KDE/kdegraphics/okular/; revision=906395