Merge pull request #193 from CrazyHZM/feat/support_requeue_delay_msg

Support requeue delay msg

Merge branch 'tmp-dump' into 'master'

feat: support nsq to nsq ordered

See merge request paas/nsqserver!58

Merge branch 'kv-engine' into 'master'

Kv engine and handle the message which timeout too much to avoid blocking too long

See merge request paas/nsqserver!43

Merge remote-tracking branch 'origin/master'

Merge branch 'optimize-exception' into 'master'

adjust topic check frequency to avoid long check run too much

See merge request !36

Merge branch 'optimize-exception' into 'master'

feat: optimize the json ext parse

See merge request !29

Merge branch 'optimize-exception' into 'master'

feat: optimize the mpub to allow group commit

See merge request !22

Merge branch 'optimize-dbwrite' into 'master'

bump version

See merge request !15

feat: preload freelist to optimize the boltdb open

bump version