SciDAVis - Improvements SVN-temp

- merge rev 936 from trunk
- added preliminary Python binding to AbstractAspect,
Column and some new Table methods

- implemented a "formula edit mode" for tables

- tagging version 0.2.0-beta1

- fixed wrong release date

- merged revs 931 and 932 from the trunk
- fixed incompatibility with muparser 1.30
- added undo/redo history to view menu
- fixed AbstractAspect name <-> MyWidget name sync for Table and Matrix
- added begin/endMacro around Table/Matrix recalculate() emissions
- deactivated obsolete Python bindings so SciDAVis compiles with
Python support again
- updated CHANGES, globals.cpp and README for the 0.2.0-beta1 release

- fixed incompatibility with muparser 1.30
- fixed missing signal connection in AspectPrivate

- fixed a bug in Table::load()
- fixed saving of multi line comments

- removed liborigin dependency

- updated several links in INSTALL.html

- created a branch for Alex B. to play with