godep: update Godeps.json.
godep: update Godeps.json.

update snappy, pool, log, remove logging godep.

pingcap/tidb,zs634134578/tidb,ngaut/tidb,astaxie/tidb,tiancaiamao/tidb,ming-relax/tidb,EvilMcJerkface/tidb,ngaut/tidb,shaunstanislaus/tidb,c4pt0r/tidb,DavidCai1993/tidb,hotvulcan/tidb,liyu4/tidb,cosmtrek/tidb,c4pt0r/tidb,shaunstanislaus/tidb,zs634134578/tidb,Drooids/tidb,Jonavin/tidb,c4pt0r/tidb,anywhy/tidb,bowlofstew/tidb,jonk1993/tidb,artiya4u/tidb,silenceper/tidb,andelf/tidb,louishust/tidb,ngaut/tidb,baotingfang/tidb,kyle-wang/tidb,zimulala/tidb,ueizhou/tidb,winiceo/tidb,CodeRushing/tidb,myrice/tidb,kyle-wang/tidb,ngaut/tidb,zimulala/tidb,hiproz/tidb,lei-cao/tidb,lunny/tidb,CodeRushing/tidb,XuHuaiyu/tidb,spongedu/tidb,silentred/tidb,winiceo/tidb,Cofyc/tidb,pingcap/tidb,ueizhou/tidb,DavidCai1993/tidb,JinheLin/tidb,myrice/tidb,skyportsystems/tidb,lunny/tidb,coocood/tidb,ming-relax/tidb,vanillahsu/tidb,astaxie/tidb,JinheLin/tidb,tiancaiamao/tidb,qiuyesuifeng/tidb,andelf/tidb,silenceper/tidb,spongedu/tidb,yangwenmai/tidb,simon-xia/tidb,8cbx/tidb,yuanwhy/tidb,mccxj/tidb,lei-cao/tidb,mccxj/tidb,silentred/tidb,netroby/tidb,pingcap/tidb,vanillahsu/tidb,pingcap/tidb,kyle-wang/tidb,Drooids/tidb,liyu4/tidb,XuHuaiyu/tidb,Jonavin/tidb,ninefive/tidb,cosmtrek/tidb,qhsong/tidb,anywhy/tidb,Cofyc/tidb,ninefive/tidb,qiuyesuifeng/tidb,yuanwhy/tidb,bowlofstew/tidb,jqk6/tidb,EvilMcJerkface/tidb,netroby/tidb,qhsong/tidb,gaocegege/tidb,hotvulcan/tidb,8cbx/tidb,gaocegege/tidb,artiya4u/tidb,pingcap/tidb,c4pt0r/tidb,wusphinx/tidb,Nify/tidb,kyle-wang/tidb,ngaut/tidb,jonk1993/tidb,ngaut/tidb,simon-xia/tidb,kyle-wang/tidb,jqk6/tidb,yangwenmai/tidb,sharebear42/tidb,wusphinx/tidb,louishust/tidb,baotingfang/tidb,skyportsystems/tidb,c4pt0r/tidb,Nify/tidb,hiproz/tidb,coocood/tidb,c4pt0r/tidb,sharebear42/tidb,kyle-wang/tidb,pingcap/tidb