Fixed: Cannot add new customer (company) (bug#10699).
Updated POD. Removed unneeded objects.
Include en_* variants in regular translation process.
Introduced new parameter ForcePackageReload for ObjectManager.
Improved POD.
Removed no longer needed _LoadBackend functions.
Fixed: Bugfix: TimeUnits not written if E-Mail is sent via BulkAction (bug#10700).
Squashed commit of the following:

commit 17f61f67d19998204205b33524a0052ac4f24747
Author: Johannes Nickel <johannes.nickel@googlemail.com>
Date:   Fri Aug 22 09:15:44 2014 +0200

    Bugfix: TimeUnits not written if E-Mail is send via BulkAction

    If a user sends an E-Mail via Bulk Action the Time Units are not written through an typo in the if statement.
Replaced add/remove buttons.
Improved handling of the object manager in ACL/DB/ACLImport.t.
Fixed POD.
Fixed missing link menu item.
Fixed small error regarding TT syntax.
Fixed: SQL Box can change the database (bug#10607).
Fixed: Process tickets without any articles create empty lines in AgentTicketSearch CSV result file (bug#10652).
Fixed: Column name in CSV report of stats is lowercase (bug#10697).
Merge remote-tracking branch 'upstream/master' into otrs-master