title: Parser error during archiving business network: const is reserved
body: <p>I'm unable to create an archive using basic network samples "Digital Property network model". </p>
  
  <h2>Context</h2>
  
  <p>I always get the following error </p>
  
  <h2>Expected Behavior</h2>
  
  <p>Network archived!</p>
  
  <h2>Actual Behavior</h2>
  
  <pre><code>azureuser@hyperledger101:~/.nvm/v6.9.5/lib/node_modules/composer-cli$ composer archive create --archiveFile digitialPropertyNetwork.zip --sourceType module --sourceName digitalproperty-network
  
  Creating Business Network Archive
  
  
  Looking for package.json of Business Network Definition
          Input directory: /home/azureuser/.nvm/v6.9.5/lib/node_modules/digitalproperty-network
  /home/azureuser/.nvm/v6.9.5/lib/node_modules/composer-cli/node_modules/yargs/yargs.js:1079
        else throw err
             ^
  
  SyntaxError: The keyword 'const' is reserved (17:0)
      at Parser.pp$4.raise (/home/azureuser/.nvm/v6.9.5/lib/node_modules/composer-cli/node_modules/acorn/dist/acorn.js:2488:13)
      at Parser.pp$3.parseIdent (/home/azureuser/.nvm/v6.9.5/lib/node_modules/composer-cli/node_modules/acorn/dist/acorn.js:2436:12)
      at Parser.pp$3.parseExprAtom (/home/azureuser/.nvm/v6.9.5/lib/node_modules/composer-cli/node_modules/acorn/dist/acorn.js:1946:19)
      at Parser.pp$3.parseExprSubscripts (/home/azureuser/.nvm/v6.9.5/lib/node_modules/composer-cli/node_modules/acorn/dist/acorn.js:1872:19)
      at Parser.pp$3.parseMaybeUnary (/home/azureuser/.nvm/v6.9.5/lib/node_modules/composer-cli/node_modules/acorn/dist/acorn.js:1849:17)
      at Parser.pp$3.parseExprOps (/home/azureuser/.nvm/v6.9.5/lib/node_modules/composer-cli/node_modules/acorn/dist/acorn.js:1791:19)
      at Parser.pp$3.parseMaybeConditional (/home/azureuser/.nvm/v6.9.5/lib/node_modules/composer-cli/node_modules/acorn/dist/acorn.js:1774:19)
      at Parser.pp$3.parseMaybeAssign (/home/azureuser/.nvm/v6.9.5/lib/node_modules/composer-cli/node_modules/acorn/dist/acorn.js:1750:19)
      at Parser.pp$3.parseExpression (/home/azureuser/.nvm/v6.9.5/lib/node_modules/composer-cli/node_modules/acorn/dist/acorn.js:1722:19)
      at Parser.pp$1.parseStatement (/home/azureuser/.nvm/v6.9.5/lib/node_modules/composer-cli/node_modules/acorn/dist/acorn.js:777:45)
  </code></pre>
  
  <h2>Environment</h2>
  
  <ul>
  <li>Version used: composer-cli v0.9.0</li>
  <li>Environment name and version (e.g. Chrome 39, node.js 5.4): 
  node --version
  v6.9.5</li>
  <li>Operating System and version (desktop or mobile): Ubuntu 14.04</li>
  </ul>