Initial commit: adding import page with source listing (from distant api) + correcting urls (lacking ending slash)
Adding TESTS for import page loading + datatable source loading
Now user can add a source in import page
Modifying api calls needed by api refactoring (Collection+JSON logic) + datatable limit/offset/sorting api management
Updating api format call : now data is a dict which key is field_name and value is a dict
Updating pagination active page styling
Adapting test code with new api format (collection+json adapted format)
Skipping some event tests correction as we are here working in import sources branch
Merge pull request #10 from makinacorpus/import_sources

Import page : import events (not available atm) + import sources + list sources