use bzip2 compression for dmg
use bzip2 compression for dmg

On MacOSX the installable packages (dmg), can use diverse format and
diverse compression method.
Since 10.4 a new format is supported that use bzip2 as a compression
back-end. The result if a reduction of ~30MB of the main dmg.

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