Fixes #4389: add AUTHORIZED_NETWORKS system var to store allowed network for policy server
Fixes #3581: Technique 'Copy file from shared folder': Does not work on root server
Merge pull request #276 from ncharles/bug_4380/dev/4389_add_AUTHORIZED_NETWORK_var

Fixes #4389: add AUTHORIZED_NETWORKS system var to store allowed network for policy server
Fixes #4155: Fix the crond presence checking promise for Fedora machines
Merge pull request #277 from Kegeruneku/bug_4155/dev/4155_fix_crond_run_checking_on_fedora

Fixes #4155: Fix the crond presence checking promise for Fedora machines
Merge pull request #273 from jooooooon/bug_3581/technique_copy_file_from_shared_folder_does_not_work_on_root_server

Bug 3581/technique copy file from shared folder does not work on root server
Merge branch 'branches/rudder/2.6' into branches/rudder/2.7
Merge branch 'branches/rudder/2.7' into branches/rudder/2.8
Merging 2.8 to 2.9