XL: RenameFile should rename and cleanup on writeQuorum. (#1702)
XL: RenameFile should rename and cleanup on writeQuorum. (#1702)

Fixes #1683
fwessels/minio,luomeiqin/minio,luomeiqin/minio,jimjag/minio,vadmeste/minio,harshavardhana/minio,hackintoshrao/minio,aead/minio,krishnasrinivas/minio,balamurugana/minio,rushenn/minio,rushenn/minio,harshavardhana/minio,fwessels/minio,aead/minio,brendanashworth/minio,abperiasamy/minio,fwessels/minio,mkash32/minio,krishnasrinivas/minio,hackintoshrao/minio,harshavardhana/minio,dutchcoders/minio,hackintoshrao/minio,abperiasamy/minio,vadmeste/minio,koolhead17/minio,harshavardhana/minio,aead/minio,aead/minio,jimjag/minio,dvstate/minio,donatello/minio,hackintoshrao/minio,aead/minio,minio/minio,krishnasrinivas/minio,dutchcoders/minio,dvstate/minio,dutchcoders/minio,minio/minio,dvstate/minio,NitishT/minio,brendanashworth/minio,dvstate/minio,jimjag/minio,rushenn/minio,mkash32/minio,balamurugana/minio,NitishT/minio,brendanashworth/minio,donatello/minio,aead/minio,krishnasrinivas/minio-daily,NitishT/minio,NitishT/minio,aead/minio,krisis/minio,krishnasrinivas/minio,mf-00/newgo,alexellis/minio,krishnasrinivas/minio-daily,koolhead17/minio,jimjag/minio,abperiasamy/minio,luomeiqin/minio,dutchcoders/minio,rushenn/minio,aead/minio,alexellis/minio,brendanashworth/minio,harshavardhana/minio,luomeiqin/minio,fwessels/minio,harshavardhana/minio,harshavardhana/minio,harshavardhana/minio,abperiasamy/minio,mf-00/newgo,krisis/minio