* try to fix bug for ctc_error_evaluator

Just forget to add deploy_key to this repository.

to restore successful build status. travis DOCS job on master failed due to permisstion issue: https://travis-ci.org/baidu/Paddle/jobs/159851334  @reyoung, please resolve the permission issue.

* Add documentation build to ci test
* Push master branch doc changes to gh-pages branch

Change-Id: I8e0a8ea6fc2760652d9c76440a539c90860062d3

* modify RecurrentGradientMachine to support hasSubSeq sequence inlinks with the same number of sentence but different number of tokens for each sentence

Change-Id: Ic71f00a4bb346b4fa93e650dfb4b1a0d8d2338b0

Change-Id: Id66da7b7f5bf9ec80cc19b347e4fb822a5a6f197

* by default, synchronize default_stream after resizeAndCopyFrom
* add sync in some places after resizeAndCopyFrom using other streams

Change cos_sim to use CosSimLayer layer when size=1 and rename convex_comb_layer to linear_comb_layer

Also add an unittest for layers.py, currently for a few things. More need to be added later.

* fix CUDNN_VERSION for backward of CudnnBatchNormLayer

* fix cudnn version number for BatchNorm

* Need PyGuard when set args for calc_batch_size

* Make layer stack trace shows ThreadId, Forward or Backward.

Change-Id: Iba1477adb8c9115c3a67ff2959bb5c878ca706c7

* libpaddle_cuda add wrong -mavx to some cpp files.

* Make layer stack trace shows ThreadId, Forward or Backward.

Change-Id: Iba1477adb8c9115c3a67ff2959bb5c878ca706c7

* install wheels when invoke paddle script if current python don't
  have paddle packages, or installed a previous version.
* Also add `make install` to travis

Change-Id: I028e402c964ca4f4431cbf8153bea4379dd4df70

Change-Id: Ibc39ca1d1a27d0d28569e29f41a5647659f8c764

The reference return type causes ThreadParameterUpdater.cpp:123 seg fault under gcc5.4.

Change-Id: I7a1c155892722076a7cb48793b83d5ee525747d1

Change-Id: I0b8608feab8f6be5094e8981fc5f65cb401ed415

Change-Id: I636cf13af5becb1168bc9749266b55580c46f6c9

Change-Id: Ia60c008a8c922f66e6b5e2ca3e488fc4625d6506

* findLastSet function: size_t could be  uint, ulong, ulonglong
* add default cuda 7.0 in flags.cmake

Change-Id: Ica9d09520e6a1468e5fc97e2c29c1ea7c73dafbb

Change-Id: Ib7f7d3c65c9850b8420f9a4799835a7ea03572bd

Change-Id: Ic35a54a94cbd981defff5b44a063dc680cdaaa7c

ISSUE=4612671

git-svn-id: https://svn.baidu.com/idl/trunk/paddle@1501 1ad973e4-5ce8-4261-8a94-b56d1f490c56

ISSUE=4608831

git-svn-id: https://svn.baidu.com/idl/trunk/paddle@1498 1ad973e4-5ce8-4261-8a94-b56d1f490c56

ISSUE=4613907

git-svn-id: https://svn.baidu.com/idl/trunk/paddle@1497 1ad973e4-5ce8-4261-8a94-b56d1f490c56

ISSUE=4611151



git-svn-id: https://svn.baidu.com/idl/trunk/paddle@1470 1ad973e4-5ce8-4261-8a94-b56d1f490c56

git-svn-id: https://svn.baidu.com/idl/trunk/paddle@1461 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