LinkObject: remove UserID as required parameter where it isn't used/not needed
Improved group check.
Configuration setting QueueSort was not being observed, thanks to @scttstrk.
Fixed bug#10929 - Twice rewrap body in CustomerTicketZoom.
Fixed bug#10922 - There is no automatic wildcard search in AdminCustomerCompany by default.
Add ObjectManagerDisabled flag to Kernel/Modules.
Ported AdminLog to ObjectManager.
Removed unused keys.
Recoded Group.pm for more performance (step 1).
Classes where not set correctly, thanks to @Retiebralanak.
Follow-Up for bug#10613 - fixed the problem with calling TicketGet() twice.
Fixed: Missing Apache2::Reload.pm (bug#10926).
Re-added Apache2::Reload as it is missing in some mod_perl distributions (CentOS 6).
Merge branch 'reneeb_clean_linkobject' of https://github.com/reneeb/otrs into reneeb-reneeb_clean_linkobject
Merge branch 'reneeb-reneeb_clean_linkobject'
Fixed missing form fields in the system registration frontend after the OTRSID check failed.
Enhanced Permission Checks in GenericInterface Ticket Connector.

Conflicts:
	CHANGES.md
	Kernel/GenericInterface/Operation/Ticket/TicketUpdate.pm
	scripts/test/GenericInterface/Operation/Ticket/TicketCreate.t
	scripts/test/GenericInterface/Operation/Ticket/TicketGet.t
Typo.
Merge remote-tracking branch 'upstream/master' into otrs-master