Fixed version names

Author: gsoares85

bridge/.solcover.js

@@ -6,11 +6,11 @@ module.exports = {
     'Bridge/IBridgeV3.sol',
     'SideToken/SideTokenV1.sol',
     'Federation/FederationV2.sol',
-    'AllowTokens/AllowTokensV0.sol',
+    'AllowTokens/AllowTokensOld.sol',
     'SideTokenFactory/SideTokenFactoryV1.sol',
   ],
   providerOptions: {
     network_id: 5888,
     //vmErrorsOnRPCResponse: false
   }
-};
+};

bridge/contracts/AllowTokens/AllowTokensV0.sol renamed to bridge/contracts/AllowTokens/AllowTokensOld.sol

@@ -5,7 +5,7 @@ pragma solidity ^0.8.0;
 import "../zeppelin/math/SafeMath.sol";
 import "../zeppelin/ownership/Ownable.sol";
 
-contract AllowTokensV0 is Ownable {
+contract AllowTokensOld is Ownable {
     using SafeMath for uint256;
 
     address constant private NULL_ADDRESS = address(0);