Add TokenKillable

contracts/lifecycle/TokenKillable.sol

@@ -0,0 +1,30 @@
+pragma solidity ^0.4.8;
+
+
+import "../ownership/Ownable.sol";
+import "../token/ERC20Basic.sol";
+
+/// @title TokenKillable:
+/// @author Remco Bloemen <remco@2π.com>
+///.Base contract that can be killed by owner. All funds in contract including
+/// listed tokens will be sent to the owner
+contract TokenKillable is Ownable {
+
+  /// @notice Terminate contract and refund to owner
+  /// @param  tokens List of addresses of ERC20 or ERC20Basic token contracts to
+  //          refund
+  /// @notice The called token contracts could try to re-enter this contract.
+  //          Only supply token contracts you
+  function kill(address[] tokens) onlyOwner {
+
+    // Transfer tokens to owner
+    for(uint i = 0; i < tokens.length; i++) {
+      ERC20Basic token = ERC20Basic(tokens[i]);
+      uint256 balance = token.balanceOf(this);
+      token.transfer(owner, balance);
+    }
+
+    // Transfer Eth to owner and terminate contract
+    selfdestruct(owner);
+  }
+}