SciDAVis - Improvements SVN-temp

- Fixed Bug #11100: strange copy/paste results.
- Fixed Bug #11098: crash on undo.
- Fixed bug in scaling fit errors.
- Improved adding of new rows to a Table when the user edits the last row.
- Implemented moving of current cell after editing a cell in a Matrix.cpp
- Fixed problems linked to changing of the current QLocale.

- adding all code I have written for the model/view QTableWidget
replacement up to now including a small test program
(it's all in a pretty early stage, no changes to existing files yet)

- fixed Table::setRandomValues()
- fixed changing of scripting language

- Fixes bug in ApplicationWindow::windowActivated()
- Fixes evaluation of Table cell through muParserScript.

- improved random number generator, fixing bug #11073
- implemented feature request #2299 (automatic row adding)

- Fixes crash when adding a new project folder.
- Fixes ApplicationWindow::windowsList() for projects having several subfolders.

- Improved handling of numerical precision.
- Improved handling of active windows in folders.
- Fixed 2D plot curve range reports.

- DataReaderTool now displays correct table information for curves having date/time format.
- Fixed printing of canvas frame for 2D plots.
- Fixed printing/PDF export of pie plots.
-Fixed bugs: 011071 (SetColumnValues make qtiplot crush), 011072 (cascade make graph collapse) and 011070 (Graph geometry unstable when reopen project).

- fixed typo in German translation
- improved display of column comments when columns get resized

- reset class Table to the Q3Table-based version (rev. 504)
- merged the trunk changes from rev 508 to 518 into Table
- merged some changes from rev 507 (mostly remaning)
- adjusted some other files accordingly