message: NLF saves json in subproject-root
diff: # Variables
  CSV_FILE="nlf-licenses.csv"
  CSV_FILE_APACHE="nlf-licenses.apache.csv"
  +JSON_FILE="nlf-licenses.json"
  MODULE_PATH=".travis/node_modules"
  BIN_PATH="nlf/bin"
  @@ -40,14 +41,20 @@ echo + going to folder api
  cd api
  echo + crawling licenses from api
  +echo + ...csv
  ../$MODULE_PATH/$BIN_PATH/nlf-cli.js --csv > ../$CSV_FILE
  +echo + ...json
  +../$MODULE_PATH/$BIN_PATH/nlf-cli.js --json > $JSON_FILE
  echo + going to folder app/webFrontend
  cd ../app/webFrontend
  echo + crawling licenses from app/webFrontend
  # append frontend licenses to existing csv; we have to skip the first line (header)
  +echo + ...csv
  ../../$MODULE_PATH/$BIN_PATH/nlf-cli.js --csv | awk '{if(NR>1)print}' >> ../../$CSV_FILE
  +echo + ...json
  +../../$MODULE_PATH/$BIN_PATH/nlf-cli.js --json > $JSON_FILE
  echo + going back to root folder
  cd ../..
  