hide monkey_patch_variable

* fix build doc

* add some description about Python ABI

Fix bugs in the resize_short and simple_transform funciton

* remove block api

* remove clone_variable

* hide block inner apis

* update

* fix tests

The resize_short function used the cv2.resize function in a wrong way.
The simple_transform function repeated the code uncorrectly.

fix pserver with condition block

MKLDNN: Extending Conv grad  MKLDNN op with reusing MKLDNN primitives

fix simple_on_word2vec fails on Manylinux1

add independent vis_demo for inference

add independent demo for test static fluid library

* fix auc

* update

* update

* fix compile

* fix param name

* add doc string

* fix test

slice_var_up=False fix

Enforce rpc timeout

* Add learning rate decay test

* fix test name

* doesn't share @LR_DECAY_COUNTER@

Port py3

Move six.moves.queue to Queue

introduce libxsmm

reserve vector space before loop in top-k

* refine multi-thread CPU Parallel exe

* refine multi thread CPU Parallel exe

* Refine CPU version for ParallelExecutor

* add share_parameter_between_cards_

* Fix ParallelExecutor bug

* Fix unit test

* Fix parameter opt balance

* Fix with opti (param->grad)

* Add grad to op var

* Remove shard_param_between_cards