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
Merge branch 'branches/rudder/2.6' into branches/rudder/2.10
Merge branch 'branches/rudder/2.10' into branches/rudder/2.11