apps/nsq_to_file: supported rotate by size & interval
apps/nsq_to_file: supported rotate by size & interval

ADD:
--rotate-size=0,        rotate the file when it grow bigger than `rotate-size` bytes
--rotate-interval=0,    rotate the file every duration

CHANGE:
1. rename <GZIPREV> to <REV> in filename format for the new featrue
2. `Sync` before `Close`
3. deprecate `maxGzipRevisions`

moander/nsq,19hz/nsq,gaowenbin/nsq,magastzheng/nsq,wmydz1/nsq,jmptrader/nsq,kesutton/nsq,kesutton/nsq,bo406/nsq,wuxu92/nsq,jlr52/nsq,Dieterbe/nsq,Dieterbe/nsq,ShinichR/nsq,wmydz1/nsq,jehiah/nsq,xuzhaokui/nsq,nieanan/nsq,CrazyJvm/nsq,absolute8511/nsq,sparklxb/nsq,msn217/nsq,ShinichR/nsq,kevinc0825/nsq,rpau/nsq,moander/nsq,absolute8511/nsq,beni55/nsq,xiexingguang/nsq,wuxu92/nsq,youxidev/nsq,Dieterbe/nsq,mashuai/nsq,bo406/nsq,mashuai/nsq,coderhaoxin/nsq,bitly/nsq,wmydz1/nsq,jlr52/nsq,mreiferson/nsq,jmptrader/nsq,lcp0578/nsq,nieanan/nsq,xiexingguang/nsq,coderhaoxin/nsq,OlafRadicke/nsq,chaosue/nsq,sparklxb/nsq,lcp0578/nsq,coderhaoxin/nsq,gaowenbin/nsq,nsqio/nsq,bitly/nsq,jlr52/nsq,mashuai/nsq,jehiah/nsq,szqh97/nsq,ShinichR/nsq,myhongkongzhen/nsq,qinlodestar/nsq,qinlodestar/nsq,judwhite/nsq-0.3.2-win,jehiah/nsq,wuxu92/nsq,myhongkongzhen/nsq,mreiferson/nsq,mikedewar/nsq,philipbo/nsq,jlr52/nsq,19hz/nsq,szqh97/nsq,chrislusf/nsq,mashuai/nsq,propellerads/nsq,absolute8511/nsq,bo406/nsq,yh453926638/nsq,MadBomber/nsq,szqh97/nsq,kesutton/nsq,lcp0578/nsq,beni55/nsq,xuzhaokui/nsq,ploxiln/nsq,yh453926638/nsq,chaosue/nsq,MadBomber/nsq,kesutton/nsq,jehiah/nsq,propellerads/nsq,chaosue/nsq,MadBomber/nsq,xiexingguang/nsq,w4ngyi/nsq,bitly/nsq,philipbo/nsq,mikeqian/nsq,qinlodestar/nsq,msn217/nsq,kevinc0825/nsq,handsomesun/nsq,OlafRadicke/nsq,handsomesun/nsq,beni55/nsq,mikeqian/nsq,qinlodestar/nsq,w4ngyi/nsq,judwhite/nsq-0.3.2-win,msn217/nsq,judwhite/nsq-0.3.2-win,sparklxb/nsq,mashuai/nsq,ShinichR/nsq,rpau/nsq,Dieterbe/nsq,myhongkongzhen/nsq,CrazyJvm/nsq,rpau/nsq,CrazyJvm/nsq,kevinc0825/nsq,philipbo/nsq,yh453926638/nsq,youxidev/nsq,nsqio/nsq,nieanan/nsq,ploxiln/nsq,jmptrader/nsq,propellerads/nsq,Dieterbe/nsq,beni55/nsq,myhongkongzhen/nsq,ploxiln/nsq,yh453926638/nsq,gaowenbin/nsq,gaowenbin/nsq,philipbo/nsq,kesutton/nsq,nsqio/nsq,CrazyJvm/nsq,yh453926638/nsq,magastzheng/nsq,bo406/nsq,beni55/nsq,szqh97/nsq,coderhaoxin/nsq,mreiferson/nsq,gaowenbin/nsq,rpau/nsq,handsomesun/nsq,philipbo/nsq,CrazyJvm/nsq,handsomesun/nsq,wmydz1/nsq,OlafRadicke/nsq,rpau/nsq,jehiah/nsq,chaosue/nsq,moander/nsq,chrislusf/nsq,bitly/nsq,sparklxb/nsq,lcp0578/nsq,mikeqian/nsq,bo406/nsq,lcp0578/nsq,nsqio/nsq,xuzhaokui/nsq,mreiferson/nsq,ploxiln/nsq,mikeqian/nsq,w4ngyi/nsq,wmydz1/nsq,qinlodestar/nsq,chaosue/nsq,MadBomber/nsq,sparklxb/nsq,xiexingguang/nsq,nsqio/nsq,handsomesun/nsq,19hz/nsq,w4ngyi/nsq,mreiferson/nsq,coderhaoxin/nsq,w4ngyi/nsq,ploxiln/nsq,absolute8511/nsq,MadBomber/nsq,msn217/nsq,mikedewar/nsq,ShinichR/nsq,magastzheng/nsq,myhongkongzhen/nsq,xiexingguang/nsq,msn217/nsq,szqh97/nsq,mikeqian/nsq,jlr52/nsq,chrislusf/nsq,youxidev/nsq,bitly/nsq,absolute8511/nsq,mikedewar/nsq