The values for ____crf_layer_0__.w0 in python/paddle/trainer_config_helpers/tests/configs/protostr/test_cost_layers.protostr is not correct due to swapped height and width in config_parser

The dims for crf and crf_decoding layers are wrong, i.e. height and width are swapped.

refine build_docker_image.rst

Unify conv

Added a test in test_NetworkCompare to verify cudnn and exconv, fixed a bug in cudnn_conv in dealing with groups

remove build of doxyfile

The instance weight and coeff are only mulipled to the gradient with respect to input.

Using ApproximatelyEquals for trainer config unittest.

fix style problem in doc_cn/introduction/index.rst

Release/v0.9.0

* Make float equal works well.
  * compare 0.01 and 0.009999999999 will return true.

Refine documentation in RELEASE.md

English Document Structure

Add `set -e` for paddle boot up script.

deepSwap

* error when paddle has a wrong version number.

doc edit for make and install

Add syntax='proto2' when using protobuf 3

revise the data path of srl demo

Update the data of quick start.

refine doc_cn/ui/index.rst