Created git and added all source files.

Also added the .gitignore file to avoid commiting compiled files.
Changed Sphinx template.
Added docstrings
Added docstrings.
Finished adding docstring to visualisation.py
Finished veus_export docstrings.
Cleaned a bit.
Integrated calibration within the pyTweezers package.
(Maybe not a good idea)
restored analysis module
Cleaned dataComparison.py of commented code.
end of day commit