SciDAVis - Improvements SVN-temp

- Unified function and plot import

- Fixed bug with symbol filling import

- tagging rev 455 as 0.9-rc1

Improved management of minor scale ticks for 2D plots.

- Added import of Notes and Results Log

- Small improvement ot the import of Origin plots.
- Deleted some superfluous files from the "3rdparty/liborigin" folder

- Small improvement ot the import of Origin plots.
- Deleted some superfluous files from the "3rdparty/liborigin" folder

- Fixed import of symbol-containing plots with automatic coloring

- Added import(7.5) of some plot axes settings
- Fixed import(7.5) of Text&Numeric datasheets

- Fixes deletion of fit tables from the main window "Edit" menu.
- Fixes translation behaviour of some recently added actions.