use x.y.z version also for desktop integration packages (fdo#47840)
use x.y.z version also for desktop integration packages (fdo#47840)

This version scheme is used for other packages as well. It is important for
the desktop integration packages now because we started reseting buildid for
each bugfix release (fdo#47840). This value is used also for the release
number of Linux packages.

JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core