v7.0.2

• Improve search serialization perfs for datasets in big topics #2937
• Migrate to Flask-Babel because of Flask-BabelEx deprecation #2897
• Contact points feature #2914 #2943:
  • Users and Organizations can now define a list of contact points
  • Api endpoint for creating, updating and deleting contact points
  • Datasets can define one contact point, among the list of the organization or the user owning the dataset.
  • Defining a contact point for a dataset is done throught a form field
• Allow wildcards in redirect_uris for Oauth2Client #2935
• Allow for being one day late on update fulfilled in time #2941
• When a topic is deleted, corresponding discussions are purged #2944