SciDAVis - Improvements SVN-temp

- merged revs 914 and 915 from the trunk

- renamed some methods that had inappropriate names

- implemented Table::copy()
- impemented saving of column widths for Table

- fixed inconsistent enums

- merged rev. 911 from trunk
- implemented ASCII import for Table using AsciiTableImportFilter

- implemented reparenting of aspects

- continued working on Table
- disabled OPJ import (I won't bother porting that, anyone else?)

- adjusted plot designation enum for backwards compatibility

- proceeded working on the integration of future::Table
- merged the latest changes from the trunk
- removed some obsolete stuff

- updated the unit tests/test programs
- fixed a bug in Column::load()
- some small improvements to Table and TableView
- some other minor changes