Fixes #5210: Use https to reload technique library in ncf-hooks
Fixes #5209: Fix Umask to 007 when managing file from
/var/rudder/configuration-repository
Merge pull request #432 from VinceMacBuche/bug_5210/fix_url_api_reload

Fixes #5210: Use https to reload technique library in ncf-hooks
Fixes #5212 - Change command to add group 'rudder'
Merge pull request #434 from nperron/bug_5212/dev/fix_use_of_command_to_add_rudder_group

Fixes #5212 - Change command to add group 'rudder'
Merge pull request #435 from VinceMacBuche/bug_5209/fix_umask

Fixes #5209: Fix Umask to 007 when managing file from /var/rudder/configuration-repository
Fixes #5207: Rudder init should check the validity of answers