Fixes #4024: correct the path for promises generation with relay
Fixes #4033: add correct values within managed_nodes and managed_nodes_id system variables
Fixes #4049: correct typo in node links
Fixes #4017: relax the check for root server unicity
Refs #3946 : Store execution of reports in database, add an actor to process it
Ref #3947: Add calls to new repository when needed
Fixes #4059: create the migration script for node executions
Merge pull request #339 from ncharles/bug_4049/dev/correct_node_link

Fixes #4049: correct typo in node links
Fixes #3946: add a service to store and use node executions
Refs #3946: implement proper use of execution nodes reports, by minimizing the number of query to the database
Refs #3946: improve logic and comment to make the code mnd logs ore understandable
Refs #3946: change default value and implementation
Merge pull request #341 from ncharles/ust_3945/impl_3946/Add_repository_for_execution_reports

Fixes #3946 : add a service to fetch nodes executions and use them for reporting
Merge pull request #344 from ncharles/ust_3945/int/4059_migration_script_for_execution_of_nodes

Fixes #4059: create the migration script for node executions
Fixes #4069: correct property name
Merge pull request #345 from ncharles/ust_3945/dev/4096_have_meaningful_name

Fixes #4069: correct property name
Merge pull request #334 from ncharles/bug_4017/dev/make_the_root_server_check_less_constraint

Fixes #4017: relax the check for root server unicity
Merge branch 'branches/rudder/2.6' into branches/rudder/2.7
Fixes #4058 : Handle properties (CR and change msg) in the webapp

The properties are now stored in the LDAP, if missing are fetched in the
config file, or use default values.
Merge pull request #342 from VinceMacBuche/ust_4057/implem_4058/config_in_webapp

Fixes #4058 : Handle properties (CR and change msg) in the webapp