Fixes #4915: Force existence of policy_server.dat file
Merge pull request #338 from ncharles/bug_4915/int/force_existance_of_policy_server_dat

Fixes #4915: Force existence of policy_server.dat file
Merge branch 'branches/rudder/2.6' into branches/rudder/2.9
Merge branch 'branches/rudder/2.9' into branches/rudder/2.10