Update HISTORY.md to include TimeOut write API and compaction update.
Update HISTORY.md to include TimeOut write API and compaction update.

Summary: Update HISTORY.md to include TimeOut write API and compaction update.

Test Plan: n/a

Reviewers: ljin, sdong

Subscribers: leveldb

Differential Revision: https://reviews.facebook.net/D19449

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,biddyweb/rocksdb,JohnPJenkins/rocksdb,ylong/rocksdb,fengshao0907/rocksdb,wlqGit/rocksdb,tsheasha/rocksdb,wenduo/rocksdb,kaschaeffer/rocksdb,ylong/rocksdb,makelivedotnet/rocksdb,tsheasha/rocksdb,JoeWoo/rocksdb,tizzybec/rocksdb,amyvmiwei/rocksdb,dkorolev/rocksdb,tizzybec/rocksdb,tizzybec/rocksdb,temicai/rocksdb,wlqGit/rocksdb,makelivedotnet/rocksdb,jalexanderqed/rocksdb,vmx/rocksdb,mbarbon/rocksdb,facebook/rocksdb,tizzybec/rocksdb,wat-ze-hex/rocksdb,wskplho/rocksdb,JackLian/rocksdb,msb-at-yahoo/rocksdb,tschottdorf/rocksdb,ryneli/rocksdb,wlqGit/rocksdb,geraldoandradee/rocksdb,siddhartharay007/rocksdb,NickCis/rocksdb,OverlordQ/rocksdb,RyanTech/rocksdb,Andymic/rocksdb,temicai/rocksdb,RyanTech/rocksdb,norton/rocksdb,OverlordQ/rocksdb,Applied-Duality/rocksdb,ylong/rocksdb,kaschaeffer/rocksdb,zhangpng/rocksdb,wenduo/rocksdb,anagav/rocksdb,vmx/rocksdb,caijieming-baidu/rocksdb,Applied-Duality/rocksdb,IMCG/RcoksDB,ryneli/rocksdb,vashstorm/rocksdb,sorphi/rocksdb,RyanTech/rocksdb,JackLian/rocksdb,biddyweb/rocksdb,virtdb/rocksdb,wat-ze-hex/rocksdb,JackLian/rocksdb,bbiao/rocksdb,flabby/rocksdb,biddyweb/rocksdb,wat-ze-hex/rocksdb,alihalabyah/rocksdb,tsheasha/rocksdb,lgscofield/rocksdb,wskplho/rocksdb,IMCG/RcoksDB,OverlordQ/rocksdb,siddhartharay007/rocksdb,Andymic/rocksdb,mbarbon/rocksdb,mbarbon/rocksdb