* zoom and center to extents
- variables in tables weren't properly initialized, causing stray recursive
evaluation errors
- replaced table->active index with table->active_row pointer
- added row selection
- for fun, added tab.fpd row selection example
git-svn-id: http://svn.openmoko.org/trunk/eda/fped@5375 99fdad57-331a-0410-800a-d7fa5415bdb3
