rearrange folders

contracts/lifecycle/Migrations.sol

@@ -0,0 +1,18 @@
+pragma solidity ^0.4.4;
+
+
+import '../ownership/Ownable.sol';
+
+
+contract Migrations is Ownable {
+  uint public lastCompletedMigration;
+
+  function setCompleted(uint completed) onlyOwner {
+    lastCompletedMigration = completed;
+  }
+
+  function upgrade(address newAddress) onlyOwner {
+    Migrations upgraded = Migrations(newAddress);
+    upgraded.setCompleted(lastCompletedMigration);
+  }
+}