[#256,refactor][s]: remove model.datasetNamesMap.
[gitignore][xs]: .
[#254,config][s]: rename some config variables to not have trailing 'Url' in name.
[#254,config][s]: switch app to run off title and title_short config vars.
[tests][xs]: remove unimportant test that does not work if run as part of all tests.
[#253][s]: places are now configurable - fixes #253.

* places are loaded from a CSV file whose location is configurable in primary config - cf #254.