Version 3.39.9-1

update debian packaging

 * drop package diana-metno-X.Y
 * add diana-X.Y-common and -dbg packages for diana and bdiana
 * update build-depends; drop metno-devsripts
 * drop debian_nogl variant
 * versioned depends between (b)diana packages
 * override dh_auto_test to show test results
 * try to fix bdiana dynamic linking