SciDAVis - Improvements SVN-temp

Released version 0.8.5. Changes:
- ported to the last version of liborigin: the import of Origin projects (tables only) works on Linux and Windows systems
- fixed compile errors on Mac OS X 10.4
- added the possibility to move rows in tables/matrices (press 'Ctrl' and drag row)
- pasting numbers into Table/Matrix cells respects the numeric format
- improved the error bars dialog and the greek symbols dialog
- fixed bug affecting the creation of new folders on Linux systems and some other minor bugs

ported ExportDialog to Qt4

Ported the following dialogs to Qt4:
- ErrDialog
- ImportFilesDialog
- ImageExportDialog

Changes to Qt4 porting branch:
- ported ColorBox

Changes to the Qt4 porting branch:
- reordered some header files a little bit
- decreased the width of the symbol dialog with math
symbols form 10 to 8

- commiting Qt3 version of QtiPlot based on the current
trunk with a backport of the math and arrow symbols
to the branch "0.8.4_symbols" I created for this
(not comming to trunk since Qt3 does not handle the
special unicode characters very well)

- creating extra branch 0.8.4_symbols

- TextDialog:
- symbol dialogs use the selected font now
- the font button now changes its font whenever setFont() is called
- SymbolDialog:
- changed button "close window" to "Close"
- removed undefined upper greek letter
- added alternative lower case greek letters for theta, phi, kappa and rho
- removed hardcoded font size

- SymbolDialog:
- reduced the number of math and arrow symbols
- added Planck constant (h bar) and Angström symbol
- TextDialog:
- removed number symbols button (but kept functionality in SymbolDialog)
- PlotWizard:
- moved the tables combo box to the right like in the Qt3 version