MerkleProof library and initial stubbed out tests

test/helpers/MerkleProofMock.sol

@@ -0,0 +1,12 @@
+pragma solidity ^0.4.11;
+
+import '../../contracts/MerkleProof.sol';
+
+contract MerkleProofMock {
+
+  bool public result;
+
+  function verifyProof(bytes _proof, bytes32 _root, bytes32 _leaf) {
+    result = MerkleProof.verifyProof(_proof, _root, _leaf);
+  }
+}