message: set default QT_PATH to 5.12.9
diff: @@ -22,7 +22,7 @@ cd ${ownLocation}
  cd ..
  if [[ -z "${QT_PATH}" ]] ; then
  - QT_PATH=~/Qt/5.9.6/clang_64
  + QT_PATH=~/Qt/5.12.9/clang_64
  warning "QT_PATH not set, using '${QT_PATH}'"
  else
  info "QT_PATH: ${QT_PATH}"
  