* update compatible_pb.cc, test=develop

* using unique_ptr in fbs::desc, test=develop

* add fbs to compatible_pb, test=develop

* update model_parser functions, test=develop

* fix bugs, test=develop

add math function: lstm  and selected_rows into lite/x86/math
add selected_rows and rw_lock into lite/fluid
add lstm_cpu_kernel and  lstm_kernel into lite/x86/detail

* paddle lite cuda init
can run model with leaky_relu

* add the missing file.
test=develop

* add the load from memory interface.
test=develop

* refine this pr. fix comments
fix ci error
test=develop