ISSUE=4619881 

git-svn-id: https://svn.baidu.com/idl/trunk/paddle@1502 1ad973e4-5ce8-4261-8a94-b56d1f490c56

ISSUE=4611111

git-svn-id: https://svn.baidu.com/idl/trunk/paddle@1469 1ad973e4-5ce8-4261-8a94-b56d1f490c56

On Ubuntu, /bin/sh is dash. Change to POSIX syntax

ISSUE=4607487

git-svn-id: https://svn.baidu.com/idl/trunk/paddle@1455 1ad973e4-5ce8-4261-8a94-b56d1f490c56

also rename hdfs_data to make it internally.

ISSUE=4604505


git-svn-id: https://svn.baidu.com/idl/trunk/paddle@1451 1ad973e4-5ce8-4261-8a94-b56d1f490c56

ISSUE=4602353

git-svn-id: https://svn.baidu.com/idl/trunk/paddle@1450 1ad973e4-5ce8-4261-8a94-b56d1f490c56

* fix recommendation prediction also.

ISSUE=4561941



git-svn-id: https://svn.baidu.com/idl/trunk/paddle@1449 1ad973e4-5ce8-4261-8a94-b56d1f490c56

ISSUE=4589755

git-svn-id: https://svn.baidu.com/idl/trunk/paddle@1442 1ad973e4-5ce8-4261-8a94-b56d1f490c56

ISSUE=4599577


git-svn-id: https://svn.baidu.com/idl/trunk/paddle@1440 1ad973e4-5ce8-4261-8a94-b56d1f490c56

ISSUE=4597359 

git-svn-id: https://svn.baidu.com/idl/trunk/paddle@1432 1ad973e4-5ce8-4261-8a94-b56d1f490c56

ISSUE=4596311

git-svn-id: https://svn.baidu.com/idl/trunk/paddle@1431 1ad973e4-5ce8-4261-8a94-b56d1f490c56

ISSUE=4575209


git-svn-id: https://svn.baidu.com/idl/trunk/paddle@1430 1ad973e4-5ce8-4261-8a94-b56d1f490c56

But need to check consistency of CPU and GPU later for conv layer.
ISSUE=4592155

git-svn-id: https://svn.baidu.com/idl/trunk/paddle@1427 1ad973e4-5ce8-4261-8a94-b56d1f490c56

ISSUE=4586495

git-svn-id: https://svn.baidu.com/idl/trunk/paddle@1408 1ad973e4-5ce8-4261-8a94-b56d1f490c56