bsd&osx have different sha1sum cli commands in standard -> portable (:) portz_sha1sum added to functions
scripts: improve error handling
improved mtn-ignore to mach whole paths
rpm stereotype created for installing portz from binary-distributes rpms...
fetch_src: support multiple sha1sums as in baseurl
merge of '8ce984520ed2f271385a9ebb3223fe807b5b235d'
     and '9527e9df7eb310207fddabdd20bbbe5842439e5f'
NEWS update