remove typename V in shared_parameter
move codes in kv_vector::slice to message.h
stream_reader: read a minibatch
localizer can have sparse_matrix as input
basic func of ftrl
compiled
let executor set my_node_ in ctor
fix some bugs in ftrl.cc
fix divided by 0 bug in ftrl_model
remove the check data_file_->open() check in stream_reader, it has
problem with gz files
add linear_method/model_evaluation
allow just run single scheduler
reorg config files
fix some bugs in ftrl