Fixed typo in ruby and python repeating groups example

Updated NEWS and version

Merge branch 'master' of https://github.com/quickfix/quickfix

Regenerated swig interfaces

Updated documentation and tradeclient.cfg

Fixed bug where fields would not be in the correct order after copyin…

…g a group

Preparing for 1.13.1 release

Do install correctly when DESTDIR is provided, install fix50 and fixt…

…11 headers

Updated version to 1.12.4

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