Fixes #4623: define schedule of agent
Merge pull request #323 from ncharles/ust_3679/dev/4623_use_system_variable_in_techniques

Refs #4623: initial commit for defined schedule per technique
Fixes #4639: Adapt system techniques to use TTLs for modified-files and CFEngine outputs
Merge pull request #325 from jooooooon/dev_4639/adapt_system_techniques_to_use_ttls_for_modified_files_and_cfengine_outputs

Fixes #4639: Adapt system techniques to use TTLs for modified-files and ...
Fixes #4642: remove duplication of node list in the allow connect
Merge pull request #326 from ncharles/bug_4642/dev/remove_duplicate_list_of_nodes

Fixes #4642: remove duplication of node list in the allow connect
Fixes #4652:  Change the default TTL for CFEngine outputs files from 30 days to 7 days in initial promises
Merge pull request #327 from jooooooon/bug_4652/change_the_default_ttl_for_cfengine_outputs_files_from_30_days_to_7_days_in_initial_promises

Fixes #4652:  Change the default TTL for CFEngine outputs files from 30 ...
Fixes #4696: initial promises don't detect basic Rudder inventory requirements (machine ID, CFEngine key, CFEngine user, users...) on non Linux/Windows/Android systems
Merge pull request #329 from jooooooon/bug_4696/initial_promises_don_t_detect_basic_rudder_inventory_requirements_machine_id_cfengine_key_cfengine_user_users_on_non_linux_windows_android_systems

Fixes #4696: initial promises don't detect basic Rudder inventory requir...
Fixes #4700: cf-agent fails on systems that don't support "find . -not ..." (AIX, in particular)
Merge pull request #330 from jooooooon/bug_4700/cf_agent_fails_on_systems_that_don_t_support_find_not_aix_in_particular

Fixes #4700: cf-agent fails on systems that don't support "find . -not ....
Fixes #4702: syslogd support partially broken: "*" is not always supported for priority, and reload command varies on AIX
Fixes #4703: Reports from AIX nodes don't get parsed due to an erroneous date format
Merge pull request #332 from jooooooon/bug_4703/reports_from_aix_nodes_don_t_get_parsed_due_to_an_erroneous_date_format

Bug 4703/reports from aix nodes don t get parsed due to an erroneous date format
Merge pull request #331 from jooooooon/bug_4702/syslogd_support_partially_broken_is_not_always_supported_for_priority_and_reload_command_varies_on_aix

Fixes #4702: syslogd support partially broken: "*" is not always support...
Fixes #4705: On AIX, several techniques try to use the group "root"
Merge pull request #333 from jooooooon/bug_4705/on_aix_several_techniques_try_to_use_the_group_root

Fixes #4705: On AIX, several techniques try to use the group "root"
Fixes #4707:  On AIX, several techniques try to use the group "root" - fix initial promises
Merge pull request #334 from jooooooon/bug_4707/on_aix_several_techniques_try_to_use_the_group_root_fix_initial_promises

Fixes #4707:  On AIX, several techniques try to use the group "root" - f...