Icinga 2.5 moved a few default templates from ITL to the core itself and
deprecated directly setting execute & similar properties. This change will
break config deployment for 2.4.x environments without 'include <itl>', but
this would rarely be the case.
This commit also changed how we work with inherited properties to render the
right object type based on 'execute' if none is set (but got inherited).
fixes#12443fixes#12543
For existing installations this should only affect Timeperiods, as
they will now prefer the global zone. Also some custom zone settings
might now take effect while they have formerly been ignored.
fixes#12252
Markus Frosch
Thomas Gelf
Alexander Fuhr