ntpdate -u pool.ntp.org

- delegates will now not produce blocks if chain is not synced

Download and build from:Suggestions:1. Active Delegate, be careful and make sure you are producing blocks during upgrading.2.Here is a guide about how to setup that on ubuntu.Here might be a quick way to update, if ntp_error is not close to zero.And please refer bytemaster's post:---- added new vote_recommended slate selection method (wallet_transfer, wallet_transfer_from)- added command to publish a public delegate slate for recommended voting (wallet_publish_slate)- added command to recover deterministic account keys (wallet_recover_accounts)- added automatic wallet backup feature (wallet_set_automatic_backups)- wallet can now locally set approval for delegates, registered accounts, and unregistered local accounts (wallet_account_set_approval)- desired connection count is automatically increased when block production is enabled (wallet_delegate_set_block_production)- all wallets can now enable/disable transaction scanning and save the setting (wallet_set_transaction_scanning)- new seed nodes are now always merged into client config- improved re-syncing speed- sync speed and time remaining is now printed when syncing- fixed local account renaming conflict bug (wallet_account_rename)- fixed wallet opening crash when not synced (wallet_open)- fixed crashes on exit- various networking fixes- miscellaneous fixes- fixed windows crash on start- code sign OSX dmgAPI Changes:- blockchain_get_blockcount -> blockchain_get_block_count- blockchain_get_blockhash -> blockchain_get_block_hash- blockchain_get_config -> blockchain_get_info- wallet_export_to_json -> wallet_backup_create- wallet_create_from_json -> wallet_backup_restore- wallet_scan_transaction -> wallet_transaction_scan- wallet_remove_transaction -> wallet_transaction_remove- wallet_rebroadcast_transaction -> wallet_transaction_rebroadcast- wallet_delegate_set_transaction_scanning -> wallet_set_transaction_scanning- wallet_approve -> wallet_account_set_approval