SciDAVis - Improvements SVN-temp

- fixed bug #1868753: FitWizard does not accept function definition

- fixed bug #1879242: Paste is broken

- some small fixes to the web page

- some small updates to the web page

- added Mauricio Troviano and Burkhard Bunk to the
acknowledgment string for the next version

- update to Spanish translation by Mauricio Troviano
- minor change in the German translation
- ran lupdate on the other translations

Updated spanish translation - thanks to Mauricio Troviano.

- Made aspect test independend from the rest of the
code. It is obsolete due to the latest changes
and can only serve as a proof of principle from now on.
- Did some on the aspect framework, mainly ProjectWindow
and MdiWindow handling.

- replaced Folder class (old Folder class temporarily renamed
to *_old)
- started to rewrite main.cpp to use the aspect framework
- started to replace ApplicationWindow by ProjectWindow

- improved the options tabs gui form
- implemented copy&paste, label/comment changing and
column type changing in Table/TableView
- moved selection related function from Table
to TableModel
- improved AbstractFilter::input() which was a speed
killer and is very often called by TableModel::data()