SciDAVis - Improvements SVN-temp

- merged latest trunk changes (rev 502) into the branch

- converted all line ending to dos style
(merging with mixed line endings can be
very annoying)

- fixed issue with saved columns in class Table
- merged changes from trunk up to rev 500 into the branch
- converted all .cpp and .h files to dos style endings

- Added graph axis properties import
- Added Origin's text tag parsing during import

- fixed several issues in class Table

- Improved import of images to matrices.
- Improved the TableDialog and fixed some bugs in setting column format.

- Implemented feature request #3383: Copy datapoint to clipboard.
- Removed transparency by default in 2D plots, since it's a major cause of performance slow-down!

- Improved support for the Date format.

- Fixed crashes in AxisDialog when changing the axis type to Time or Date format.
- Fixed a small bug in PlotDialog (symbol size for Box/Whiskers Plots)

- Fixed some bugs in PlotDialog and Graph class.