- qnumber editors now supports hex values with prefix '0x'
- feature: formattree structure import from binary file
- bugfix: QHexEditPrivate setSelectionEnd wrong selection length and
updateCursorXY, when selecting from bottom to the top
- bugfix: HexEditData undo replace command, now call notifyDataChanged
instead of emit (which set dirtybuffer required to refresh buffer)
Merge branch 'master' of https://github.com/Dax89/PREF

Conflicts:
	qhexedit/qhexeditdata.h
	qhexedit/qhexeditprivate.cpp
	views/formatview/hexeditviewpage/hexeditviewpage.cpp
Merge branch 'master' of https://github.com/Dax89/PREF
Merge branch 'master' of https://github.com/Dax89/PREF
- added menu option 'New'
- bugfix: QHexEditData at fail if the file is empty
- bugfix: ChartViewPage stuck progress if empty file