fix initialize versions

contracts/ownership/Ownable.sol

@@ -17,7 +17,7 @@ contract Ownable is Migratable {
    * @dev The Ownable constructor sets the original `owner` of the contract to the sender
    * account.
    */
-  function initialize(address _sender) public isInitializer("Ownable", "0") {
+  function initialize(address _sender) public isInitializer("Ownable", "1.9.0-beta") {
     owner = _sender;
   }
 

contracts/token/ERC20/DetailedERC20.sol

@@ -8,7 +8,7 @@ contract DetailedERC20 is Migratable, ERC20 {
   string public symbol;
   uint8 public decimals;
 
-  function initialize(address _sender, string _name, string _symbol, uint8 _decimals) public isInitializer("DetailedERC20", "0") {
+  function initialize(address _sender, string _name, string _symbol, uint8 _decimals) public isInitializer("DetailedERC20", "1.9.0-beta") {
     name = _name;
     symbol = _symbol;
     decimals = _decimals;

contracts/token/ERC20/DetailedMintableToken.sol

@@ -5,7 +5,7 @@ import "./DetailedERC20.sol";
 import "./MintableToken.sol";
 
 contract DetailedMintableToken is Migratable, DetailedERC20, MintableToken {
-  function initialize(address _sender, string _name, string _symbol, uint8 _decimals) isInitializer("DetailedMintableToken", "0") {
+  function initialize(address _sender, string _name, string _symbol, uint8 _decimals) isInitializer("DetailedMintableToken", "1.9.0-beta") {
     DetailedERC20.initialize(_sender, _name, _symbol, _decimals);
     Ownable.initialize(_sender);
   }

contracts/token/ERC20/DetailedPremintedToken.sol

@@ -5,7 +5,7 @@ import "./DetailedERC20.sol";
 import "./MintableToken.sol";
 
 contract DetailedPremintedToken is Migratable, DetailedERC20, StandardToken {
-  function initialize(address _sender, string _name, string _symbol, uint8 _decimals, uint256 _initialBalance) isInitializer("DetailedPremintedToken", "0") {
+  function initialize(address _sender, string _name, string _symbol, uint8 _decimals, uint256 _initialBalance) isInitializer("DetailedPremintedToken", "1.9.0-beta") {
     DetailedERC20.initialize(_sender, _name, _symbol, _decimals);
 
     _premint(_sender, _initialBalance);

contracts/token/ERC20/MintableToken.sol

@@ -22,6 +22,10 @@ contract MintableToken is Migratable, Ownable, StandardToken {
     _;
   }
 
+  function initialize(address _sender) isInitializer("MintableToken", "1.9.0-beta") {
+    Ownable.initialize(_sender);
+  }
+
   /**
    * @dev Function to mint tokens
    * @param _to The address that will receive the minted tokens.

contracts/token/ERC20/TokenTimelock.sol

@@ -20,7 +20,7 @@ contract TokenTimelock is Migratable {
   // timestamp when token release is enabled
   uint256 public releaseTime;
 
-  function initialize(address _sender, ERC20Basic _token, address _beneficiary, uint256 _releaseTime) public isInitializer("TokenTimelock", "0") {
+  function initialize(address _sender, ERC20Basic _token, address _beneficiary, uint256 _releaseTime) public isInitializer("TokenTimelock", "1.9.0-beta") {
     // solium-disable-next-line security/no-block-members
     require(_releaseTime > block.timestamp);
     token = _token;

contracts/token/ERC20/TokenVesting.sol

@@ -52,7 +52,7 @@ contract TokenVesting is Migratable, Ownable {
     bool _revocable
   )
     public
-    isInitializer("TokenVesting", "0")
+    isInitializer("TokenVesting", "1.9.0-beta")
   {
     Ownable.initialize(_sender);
 

contracts/token/ERC721/ERC721Token.sol

@@ -36,7 +36,7 @@ contract ERC721Token is Migratable, ERC721, ERC721BasicToken {
   /**
    * @dev Constructor function
    */
-  function initialize(address _sender, string _name, string _symbol) public isInitializer("ERC721Token", "0") {
+  function initialize(address _sender, string _name, string _symbol) public isInitializer("ERC721Token", "1.9.0-beta") {
     name_ = _name;
     symbol_ = _symbol;
   }

contracts/token/ERC721/MintableERC721Token.sol

@@ -7,7 +7,7 @@ import "../../ownership/Ownable.sol";
  * @title Mintable ERC721 Token
  */
 contract MintableERC721Token is Migratable, Ownable, ERC721Token {
-  function initialize(address _sender, string _name, string _symbol) isInitializer("MintableERC721Token", "0") {
+  function initialize(address _sender, string _name, string _symbol) isInitializer("MintableERC721Token", "1.9.0-beta") {
     Ownable.initialize(_sender);
     ERC721Token.initialize(_sender, _name, _symbol);
   }