#2 implement scripting language

[Darius Blaszyk]

Implement a scripting language to manipulate data in
the data editor.

possible macros are:

- storing of variables
- (auto)scaling of data
- delete rows with double values
- reduce data
- interpolate data
- merging of different time
- sort rows
- smoothing / despiking / filtering / interpolation /
extrapolation
- principal component analysis to reduce data
dimension