Fixes #3531,#3899: Backport the GIT lock nuking promise from 2.5
Merge pull request #178 from Kegeruneku/ust_3531/dev/3899_backport_git_lock_nuking_from_2_5

Fixes #3531,#3899: Backport the GIT lock nuking promise from 2.5
Refs #3571: create initial commit for local action copy
Add a copy action to fileManagement 2.0 technique

This is useful for cases where symlinks aren't accepted e.g. for security reasons (e.g. cron.d files).

Signed-off-by: Nicolas CHARLES <nicolas.charles@normation.com>
Refs #3571: correct wording
Refs #3571: keeping old name for variable so that there is no migration issue
Merge pull request #184 from ncharles/ust_3398/dev/3571_add_local_copy_action

Ust 3398/dev/3571 add local copy action