* move blas related files
* move lapack related files

* fix

* modify log

* fix batch_size

* add ctr table depends

* code style

* fix

* fix

* fix naming

* rename

* rename

* replace boost::algorithm::ends_with with self define ends_with function

* remove BOOST macro in certain operators

* remove boost::lexical_cast

* add test for string_helper

* add more test case for string_helper

* modify join_string func and test case

* fix build_strategy_test failed bug

* remove string_helper_test from parallel_UT_rule.py

* fix save/load with unexpected value
* fix save and user interface
* add save sparse sharding to selected rows

* add async save for sparse table
* add load profiler for sparse table
* add load info for sparse table

* rename sendrecv.proto to namespace paddle.distributed

* split ps with distributed

* add ps table

Change-Id: I468a04bd071d21ff52654926fcf4d5f3da19e178