SciDAVis - Improvements SVN-temp

- updated several links in INSTALL.html

- created a branch for Alex B. to play with

- removed several files from "future" that are simply
unneeded copies of trunk files (to keep things
more assessable)

- added some methods to sync MyWidget <-> AbstractAspect attributes
- implemented the formula control tab functionality for tables
- fixed the usage of Table::columnFormat()
- merged revs 923 to 925 from the trunk

- reverted parts of the changes in the last commit
that caused another crash

- fixed a crash when removing columns

- fixed control tabs ui file

- merged revs 920 and 921 from trunk
- added a few keyboard shortcuts

- fixed another copy&paste related issue in Table

- fixed paste in Table
- copy&paste in Table and Matrix now always use 16 digits
to avoid data loss