check those volnerabilities found by Snyk

[AlGolden]

https://snyk.io/test/github/springblock/Ethereum

1. Arbitrary Code Injection
   Vulnerable module: growl
   Introduced through: grunt-mocha-cli@2.1.0

2.Command Injection
Vulnerable module: shelljs
Introduced through: grunt-contrib-jshint@1.1.0
Detailed paths

Introduced through: blockchaininfrastructure@springblock/Ethereum#1267a1b257840e259f7a1c514a3e8656f9e1b2e3 › grunt-contrib-jshint@1.1.0 › jshint@2.9.5 › shelljs@0.3.0

3. Prototype Override Protection Bypass
   Vulnerable module: qs
   Introduced through: grunt-contrib-watch@1.0.0
   Detailed paths

Introduced through: blockchaininfrastructure@springblock/Ethereum#1267a1b257840e259f7a1c514a3e8656f9e1b2e3 › grunt-contrib-watch@1.0.0 › tiny-lr@0.2.1 › qs@5.1.0
Introduced through: blockchaininfrastructure@springblock/Ethereum#1267a1b257840e259f7a1c514a3e8656f9e1b2e3 › grunt-contrib-watch@1.0.0 › tiny-lr@0.2.1 › body-parser@1.14.2 › qs@5.2.0

[status-open-bounty]

Current balance: 0.0 ETH
Contract address: 0x92e5c20ab7173ec10be09e02aab5efec648f7629

Network: Testnet (Ropsten)
To claim this bounty sign up at https://testing.openbounty.status.im and make sure to update your Ethereum address in My Payment Details so that the bounty is correctly allocated.
To fund it, send test ETH or test ERC20/ERC223 tokens to the contract address.