Move BreakInvariantBounty to drafts (#1334)

* move BreakInvariantBounty to drafts

* fix bad imports

contracts/mocks/InsecureInvariantTargetBounty.sol

@@ -3,7 +3,7 @@ pragma solidity ^0.4.24;
 // When this line is split, truffle parsing fails.
 // See: https://github.com/ethereum/solidity/issues/4871
 // solium-disable-next-line max-len
-import {BreakInvariantBounty, Target} from "../../contracts/bounties/BreakInvariantBounty.sol";
+import {BreakInvariantBounty, Target} from "../../contracts/drafts/BreakInvariantBounty.sol";
 
 
 contract InsecureInvariantTargetMock is Target {

contracts/mocks/SecureInvariantTargetBounty.sol

@@ -3,7 +3,7 @@ pragma solidity ^0.4.24;
 // When this line is split, truffle parsing fails.
 // See: https://github.com/ethereum/solidity/issues/4871
 // solium-disable-next-line max-len
-import {BreakInvariantBounty, Target} from "../../contracts/bounties/BreakInvariantBounty.sol";
+import {BreakInvariantBounty, Target} from "../../contracts/drafts/BreakInvariantBounty.sol";
 
 
 contract SecureInvariantTargetMock is Target {

test/drafts/BreakInvariantBounty.test.js

@@ -1,6 +1,6 @@
-const { ethGetBalance, ethSendTransaction } = require('./helpers/web3');
-const expectEvent = require('./helpers/expectEvent');
-const { assertRevert } = require('./helpers/assertRevert');
+const { ethGetBalance, ethSendTransaction } = require('../helpers/web3');
+const expectEvent = require('../helpers/expectEvent');
+const { assertRevert } = require('../helpers/assertRevert');
 
 const SecureInvariantTargetBounty = artifacts.require('SecureInvariantTargetBounty');
 const InsecureInvariantTargetBounty = artifacts.require('InsecureInvariantTargetBounty');