Fixes #5463: Add a placeholder for new technique on old versions
Merge pull request #503 from peckpeck/bug_5463/add_a_placeholder_for_new_technique_on_old_versions

Fixes #5463: Add a placeholder for new technique on old versions
Fixes #5544: Update Rudder logrotate configuration to be in sync between normal and initial promises
Merge pull request #504 from Kegeruneku/bug_5544/dev/5544_synchronize_logrotate_hanling_between_initial_and_regular_techniques

Fixes #5544: Update Rudder logrotate configuration to be in sync between...
Merge branch 'branches/rudder/2.6' into branches/rudder/2.10
Merge branch 'branches/rudder/2.10' into branches/rudder/2.11

Conflicts:
	initial-promises/node-server/distributePolicy/1.0/logrotateCheck.cf
	initial-promises/node-server/distributePolicy/logrotate.conf/rudder.debian
	techniques/system/distributePolicy/1.0/logrotateCheck.st
Merge branch 'branches/rudder/2.11'