Mentions légales du service

- Update documentation
- Update morphonet related property names issued from naming propagation (ascidian package)
  - naming_agreement:
  - naming_score:
  - naming_unequal_division_flag:
  - renaming_flag:
- Correct _erode_cell() in astec.py. scipy.ndimage.find_objects() no more accepts ndarray of
  booleans (issued from binary_erosion()) as input