package org.apache.poi.xddf.usermodel.text implementing most of drawingml.CTText*

Hi all, PR#109 is now ready for code review and later merging into trunk. https://github.com/apache/poi/pull/109 I would have liked to change the title of it, but since it already exists I have no rights on the PR, not even to open a new one for the same

Re: [Bug 62639] DataFormatter can never set its provided locale

The DataFormatter class has been like this for a number of years, so it would not be a good idea to make big changes to its behaviour. Plenty of people rely on it working the way it works right now. We could add a 2nd DataFormatter that behaves the way you want it to - but right now, we are busy