Create ds_controller.py

Controller of the routine that enables download and storage in a mysql table of the turn by turn tracking data
Create castor_script.py

module containing the utilities to download the turn_by_turn data from CASTOR
Create data_to_db.py

module that contains the function that creates an SQL db and store the turn by turn tracking data in it
Create tracking_parameters.py

module containing folder names calculators
Create README.md

to facilitate the understanding of the program
Update README.md
Update tracking_parameters.py
Update ds_controller.py
Update data_to_db.py

eliminated the comment with the DROP TABLE
Update ds_controller.py

renamed input block assignements in order to clearly refer to sixdesk variables
Merge pull request #10 from Alea88/master

turn by turn tracking data downloader and storage in sqlite3 db