add libparallel-forkmanager-perl pkg dep for parallelization functionality
add libparallel-forkmanager-perl pkg dep for parallelization functionality

git-svn-id: 0078f79ef0c13d8ca30f49297e7ed6c465429331@10109 7da46fd8-bd2a-0410-a152-cf9810cf5b10

OSGeo/OSGeoLive,kalxas/OSGeoLive,OSGeo/OSGeoLive,PascalLike/OSGeoLive,astroidex/OSGeoLive,PascalLike/OSGeoLive,astroidex/OSGeoLive,kalxas/OSGeoLive,guygriffiths/OSGeoLive,OSGeo/OSGeoLive,PascalLike/OSGeoLive,kalxas/OSGeoLive,guygriffiths/OSGeoLive,PascalLike/OSGeoLive,kalxas/OSGeoLive,guygriffiths/OSGeoLive,PascalLike/OSGeoLive,PascalLike/OSGeoLive,OSGeo/OSGeoLive,kalxas/OSGeoLive,kalxas/OSGeoLive,astroidex/OSGeoLive,guygriffiths/OSGeoLive,OSGeo/OSGeoLive,astroidex/OSGeoLive,PascalLike/OSGeoLive,OSGeo/OSGeoLive,guygriffiths/OSGeoLive,OSGeo/OSGeoLive,guygriffiths/OSGeoLive,guygriffiths/OSGeoLive,kalxas/OSGeoLive,astroidex/OSGeoLive,astroidex/OSGeoLive