tsurud 1.2.1 release notes

tsurud 1.2.1 fixes the following bugs:

• Fix multiple possible goroutines leaks related to redis and log messages pub/sub. c8fc818cfb66732fb287eb6f7ab3b9e0461ec36c 2b4f994a437ea5276fe893880bdb054fba26ea29 0e13156a62f352cc3fe210b13e2045d4b499f6e0
• Fix machine creation with digitalocean iaas and dockermachine iaas using digitalocean driver. ee4acf99e0c58faef7d4a0fdf0e0f8a83947a24c