Fixes #5743: allow uses of $\{rudder_xxxx.xxxx\} variables
Merge pull request #656 from ncharles/bug_5743/allow_use_of_rudder_parameters_in_var

Fixes #5743: allow uses of $\{rudder_xxxx.xxxx\} as cfengine variables
Fixes #5748: correct initial LDIF on system groups
Merge pull request #657 from VinceMacBuche/bug_5748/correct_ldif

Fixes #5748: correct initial LDIF on system groups
Merge branch 'branches/rudder/2.10' into branches/rudder/2.11
Merge branch 'branches/rudder/2.11' into branches/rudder/3.0