Added SetPermissions examples from INSTALLING for convenience.
use a proper JOIN in ArticleGet

the old WHERE condition corresponds to a join, but using
the proper thing helps some query planners to do it faster
Merge branch 'join-in-articleget' of https://github.com/moritz/otrs
Merge branch 'upgrading2' of https://github.com/MBRG/otrs
Fixed bug#9950 - Ticket Split takes uses system address as the customer.
Fixed bug#9911 - Column filter by 'Queue' shouldn't be available on 'Queue view'.
Make DynamicField/DateTranslation.t robuster

It only works if TimeInputFormat is configured to Option,
so ensure that's the case.
Comment: Explain why we set TimeInputFormat
Fixed bug#10019 - Tickets via 'In line action bar' cannot be moved.
Fixed: Added old ticket information to ticket_history (bug#10027).
Fixed: Subject always cleaned from prefixes, irrespective of configuration (bug#10023).

Conflicts:
	CHANGES.md
Fixed bug#10020 - Event Information within Events Ticket Calender has wrong translation.

Conflicts:
	CHANGES.md
Fixed: Timestamps in HistoricalValueGet return milliseconds on SQL Server (bug#9999).
Fixed tests.
Fixed bug#10028 - Duplicate Access Keys/hardcoded assignments.
Simplify TicketAcl code a bit

no functional changes, just some simplifications (and avoidance of
hash copying) found while reading through the TicketACL code.
Added test case for bug#9989. This might start failing on some systems.
Merge branch 'simplify-ticket-acl' of https://github.com/moritz/otrs
Fixed: After empty ticket list, Column Filters are reset in Overview Small screens (bug#9997).
Fixed: Reset filters in small overviews does not reset the ticket list (bug#10036).