Fixes #5187: use commands with their full paths in sudo parameters
Merge pull request #434 from ncharles/bug_5187/dev/invalid_use_of_commands_without_paths

Fixes #5187: use commands with their full paths in sudo parameters
Fixes #5189: Rename rudder-front to rudder-relay-top in Techniques
Merge pull request #435 from VinceMacBuche/bug_5189/Fix_techniques_server_roles

Fixes #5189: Rename rudder-front to rudder-relay-top in Techniques
Merge branch 'branches/rudder/2.6' into branches/rudder/2.10
Merge branch 'branches/rudder/2.10' into branches/rudder/2.11
Merge branch 'branches/rudder/2.11'