0.2.16

Upgrading from 0.2.15: there are no backward incompatible changes in this release.

However, this release introduces the IDENTIFY command (which supersedes sending metadata along with SUB) for clients of nsqd. The old functionality will be removed in a future release.

• #114 persist paused channels through restart
• #121 fix typo preventing compile of bench_reader (thanks @datastream)
• #120 fix nsqd crash when empty command is sent (thanks @michaelhood)
• #115 nsq_to_file --filename-format --datetime-format parameter and fix
• #101 fix topic/channel delete operations ordering
• #98 nsqadmin fixes when not using lookupd
• #90/#108 performance optimizations / IDENTIFY protocol support in nsqd. For
  a single consumer of small messages (< 4k) increases throughput ~400% and
  reduces # of allocations ~30%.
• #105 strftime compatible datetime format
• #103 nsq_to_http handler logging
• #102 compatibility with Go tip
• #99 nsq_to_file --gzip flag
• #95 proxy graphite requests through nsqadmin
• #93 fix nqd API response for no topics
• #92 graph rendering options
• #86 nsq_to_http Content-Length headers
• #89 gopkg doc updates
• #88 move pynsq to it's own repo
• #81/#87 reader improvements / introduced MPUB. Fix bug for mem-queue-size < 10
• #76 statsd/graphite support
• #75 administrative ability to create topics and channels