add new versions of tornado; drop 1.2.1 support (not pip installable)
add new versions of tornado; drop 1.2.1 support (not pip installable)

bitly/pynsq,protoss-player/pynsq,virtuald/pynsq,jonmorehouse/pynsq,jehiah/pynsq,protoss-player/pynsq,svmehta/pynsq,virtuald/pynsq,mreiferson/pynsq,mreiferson/pynsq,nsqio/pynsq,jonmorehouse/pynsq,goller/pynsq,pombredanne/pynsq,bitly/pynsq