Fixes #4365: Document the after-relay installation procedure, to add nodes to the relay
Merge pull request #82 from Kegeruneku/bug_4365/int/4365_add_details_about_post_relay_installation_steps

Fixes #4365: Document the after-relay installation procedure, to add nod...
Fixes #5717: Update the documentation to 3.0
Merge pull request #78 from Kegeruneku/bug_5717/int/5717_update_doc_version_to_3

Fixes #5717: Update the documentation to 3.0
Merge branch 'branches/rudder/2.10' into branches/rudder/2.11
Merge branch 'branches/rudder/2.11' into branches/rudder/3.0