sift: vl_demo_sift_frame plotframe => vl_plotframe
sift: vl_demo_sift_frame plotframe => vl_plotframe

WangDequan/vlfeat,vlfeat/vlfeat,mylxiaoyi/vlfeat,richarddzh/vlfeat,erexhepa/vlfeat,hongzhili/vlfeat,mylxiaoyi/vlfeat,qubick/vlfeat,mylxiaoyi/vlfeat,j-bo/vlfeat,WangDequan/vlfeat,WangDequan/vlfeat,erexhepa/vlfeat,j-bo/vlfeat,CansenJIANG/vlfeat,qubick/vlfeat,CansenJIANG/vlfeat,vlfeat/vlfeat,erexhepa/vlfeat,qubick/vlfeat,vlfeat/vlfeat,cvfish/vlfeat,erexhepa/vlfeat,cvfish/vlfeat,WangDequan/vlfeat,vlfeat/vlfeat,rxl194/vlfeat,CansenJIANG/vlfeat,WangDequan/vlfeat,hongzhili/vlfeat,cvfish/vlfeat,hongzhili/vlfeat,rxl194/vlfeat,cvfish/vlfeat,j-bo/vlfeat,WangDequan/vlfeat,cvfish/vlfeat,hongzhili/vlfeat,rxl194/vlfeat,j-bo/vlfeat,CansenJIANG/vlfeat,mylxiaoyi/vlfeat,cvfish/vlfeat,vlfeat/vlfeat,qubick/vlfeat,hongzhili/vlfeat,erexhepa/vlfeat,richarddzh/vlfeat,rxl194/vlfeat,CansenJIANG/vlfeat,richarddzh/vlfeat,rxl194/vlfeat,qubick/vlfeat,richarddzh/vlfeat,j-bo/vlfeat,mylxiaoyi/vlfeat,hongzhili/vlfeat,qubick/vlfeat,erexhepa/vlfeat,rxl194/vlfeat,richarddzh/vlfeat,vlfeat/vlfeat,CansenJIANG/vlfeat,richarddzh/vlfeat,mylxiaoyi/vlfeat