I made a pull request for a few changes. If you want to be an early bird, check this https://github.com/Nite69/sync

- version number update to 1.0.4
- protocol version to 60019
- don't download blocks from older versions
- checkpoints at
        ( 86401,  uint256("0x07b09d7985b5c0f68d3e5608d49361397e767ac8101433b00ad3bd73bc91dfd1"))
        ( 87840,  uint256("0xb8ebf4e9c2ba68e0804f55ceb44cd678349333e14507f3ff3ca263fdb2bd88e9"))
        ( 88825,  uint256("0x4a1495914f815f9923ab84ff20b627200acb6be563b025ee3f6e41a6750ca550"))

This is not mandatory update, but will anyway help stabilizing the blockchain after stake change.