Fixes #4992: add the class failsafe in failsafe.cf to allow nodes to bootstrap again
Merge pull request #405 from ncharles/bug_4992/dev/allow_node_to_bootstrap_again

Fixes #4992: add the class failsafe in failsafe.cf to allow nodes to bootstrap again
Merge branch 'branches/rudder/2.9' into branches/rudder/2.10
Merge branch 'branches/rudder/2.10' into branches/rudder/2.11