rm/ls: Remove and List incomplete uploads properly
rm/ls: Remove and List incomplete uploads properly

Fixes #1271

minio/mc,CarterMcClellan/mc,minio/mc,balamurugana/mc,harshavardhana/mc,abperiasamy/mc,vadmeste/mc,abperiasamy/mc,vadmeste/mc,krisis/mc,krisis/mc,CarterMcClellan/mc,balamurugana/mc,harshavardhana/mc