Add config and data path to utils

[KarahanS]

To adapt the necessary files' paths to our working directory, it would be helpful to establish constant variables that denote the paths for config and data.

[akutuzov]

Thanks, specifying the name of the config file in one place makes perfect sense!

But if you want to in addition define your own static data web directory, it will require reading this variable in many other locations (for example, it is used in all the html templates). Otherwise, changing it in the utils.py will break URLs. Are you sure you want to got this way?

Also, can you rename utils.py to, say, config_path.py so that it is immediately clear what this file serves for?

[KarahanS]

If I didn't get it wrong, you mean that creating a new data folder might make our work a lot harder since it is referenced by the same relative path more than once in the html files. So, removing the DATA constant from the file and just using /data/ as it is, is a better idea to avoid further hussle. Then I simply remove that constant. For the second point, you are right, let me change it as config_path.py.

[akutuzov]

Thanks a lot!