Improved upgrading instructions.
Fixed UT.
Workaround for exit() in plack.
Fixed wrong link param encoding.
Fixed wrong link param encoding.
Tidied.
Tidied
Fixed typo.
Framework enhancements
Removed unneeded string on several links.
Reformatted DTLs and fixed one link param encoding.
Merge branch 'sysconfig-enhancements' of https://github.com/jensoliver/otrs
Added JB to mailmap.
Squashed commit of the following:

commit c29cd61cf6b1cdc088c26afce51536be2fad2edb
Author: root <root@otrs-dev.(none)>
Date:   Fri Jul 26 16:01:48 2013 +0200

    Fixed a bug that prevented the TicketSearch generic interface connector to work when authenticated as a customer (Cyrille).
Allow TicketSearch GI operation to also work for logged in customers.

This merges https://github.com/OTRS/otrs/pull/86 with slight modifications.
Added changes entry.
Fixed a bug where using a CustomerKey other than UserLogin would not work in AdminCustomerUser.
Improved config setting description.
Fixed example config.
Improved script documentation.