Convert UVES tutorial to ipython notebook format
Use download_file function to downlaod tar file  with UVES data
Replace :ref: and :math: markup syntax
Replace sphinx math markup
Fix link to Strassmeier et al. 2005 reference
Replace double colon at end of line by single colon
Fix sphinx mark-up in acknowledgements section
Fix formatting issues in text cells
Add CC license information to UVES tutorial
Delete UVES.rst and UVES.py files
Add metadata in UVES notebook file and remove metadata.cfg (thanks @eteq for indications)
Corrections from @eteq and @hamogu
Move acknowledgements section to the top
remove references to ipython start up and pasting
Add missing period
Replace links to the documentation by the latest stable version
Add comment in the exercise about finding help for a function
Use the doppler_optical equivalency to convert wavelength to veloctiy
Include comments and corrections from @eteq
Add short description to metadata dictionary