add hdfs.h
support read recordio from hdfs
add mpi_*.sh
change the startup way
passed mpi_root.sh
update readme
write the model into the output dir
slightly change readme and makefile
move FLAGS_logtostderr to script
refactor text2bin
support adfea
move io.h into file.h/cc, file can open a DataConfig conf
refact matrix_io.h
rename functions in file.h
read ascii hdfs file into protobuf
rcv1 runs fine
fix adfea bug in parse_text
modify output format
add capacity_ in shared_array
add reserve in shared_array