Fixed documentation for BackupSelector
Fixed documentation for BackupSelector

jblomer/ramcloud,jblomer/ramcloud,DavidLi2010/ramcloud,jblomer/ramcloud,Frank-Wu/RamCloud,mrdiegoa/ramcloud,y-higuchi/ramcloud,rstutsman/RAMCloud,rstutsman/RAMCloud,SMatsushi/RAMCloud,jcarreira/ramcloud,Frank-Wu/RamCloud,behnamm/cs244b_project,DavidLi2010/ramcloud,behnamm/cs244b_project,QingkaiLu/RAMCloud,utah-scs/RAMCloud,jcarreira/ramcloud,IMCG/RamCloud,DavidLi2010/ramcloud,mrdiegoa/ramcloud,matrix207/RAMCloud,SMatsushi/RAMCloud,anirajk/RAMCloud,QingkaiLu/RAMCloud,alexandermerritt/ramcloud,IMCG/RamCloud,matrix207/RAMCloud,rstutsman/RAMCloud,utah-scs/RAMCloud,utah-scs/RAMCloud,alexandermerritt/ramcloud,taschik/ramcloud,DavidLi2010/ramcloud,alexandermerritt/ramcloud,SMatsushi/RAMCloud,QingkaiLu/RAMCloud,jblomer/ramcloud,taschik/ramcloud,rstutsman/RAMCloud,Frank-Wu/RamCloud,matrix207/RAMCloud,behnamm/cs244b_project,jcarreira/ramcloud,mrdiegoa/ramcloud,alexandermerritt/ramcloud,anirajk/RAMCloud,QingkaiLu/RAMCloud,anirajk/RAMCloud,QingkaiLu/RAMCloud,jblomer/ramcloud,behnamm/cs244b_project,y-higuchi/ramcloud,mrdiegoa/ramcloud,jcarreira/ramcloud,anirajk/RAMCloud,matrix207/RAMCloud,IMCG/RamCloud,Frank-Wu/RamCloud,behnamm/cs244b_project,y-higuchi/ramcloud,Frank-Wu/RamCloud,alexandermerritt/ramcloud,anirajk/RAMCloud,rstutsman/RAMCloud,IMCG/RamCloud,IMCG/RamCloud,DavidLi2010/ramcloud,utah-scs/RAMCloud,behnamm/cs244b_project,DavidLi2010/ramcloud,SMatsushi/RAMCloud,jcarreira/ramcloud,IMCG/RamCloud,taschik/ramcloud,taschik/ramcloud,mrdiegoa/ramcloud,y-higuchi/ramcloud,y-higuchi/ramcloud,SMatsushi/RAMCloud,utah-scs/RAMCloud,SMatsushi/RAMCloud,utah-scs/RAMCloud,alexandermerritt/ramcloud,jblomer/ramcloud,mrdiegoa/ramcloud,y-higuchi/ramcloud,anirajk/RAMCloud,Frank-Wu/RamCloud,rstutsman/RAMCloud,matrix207/RAMCloud,matrix207/RAMCloud,jcarreira/ramcloud,taschik/ramcloud,QingkaiLu/RAMCloud