phow_caltech101.m: adds kdtrees
phow_caltech101.m: adds kdtrees

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