Rename sol-trace-based-tools-common to sol-tracing-utils

packages/sol-tracing-utils/test/fixtures/contracts/SimpleStorage.sol

@@ -0,0 +1,11 @@
+pragma solidity ^0.4.21;
+
+contract SimpleStorage {
+    uint public storedData;
+    function set(uint x) {
+        storedData = x;
+    }
+    function get() constant returns (uint retVal) {
+        return storedData;
+    }
+}