#9060: define global unit conversor
#9060: use QGis::fromUnitToUnitFactor in QgsWmsProvider

 in
#9060: use QGis::fromUnitToUnitFactor in QgsDxfExport

 in
#9060: use QGis::fromUnitToUnitFactor in QgsDistanceArea

 in
#9060: use QGis::fromUnitToUnitFactor in QgsComposerScaleBar
#9060: use QGis::fromUnitToUnitFactor in QgsDecorationScaleBar
#9060: use QGis::fromUnitToUnitFactor in QgsGrassGisLib
#9060: Enable degrees as valid DisplayUnit in QgsOptions dialog
Merge pull request #1056 from ahuarte47/Issue_9060_B

[Feature]: Centralize conversion units in one unique function
Export labels to dxf
Set text color and show label boxes for debugging
Split multiline labels for dxf export
Fix dxf label size calculation
Dxf export: fix order in multiline labels
german translation update