fixed sphinx_doc target in the contrib/docker/Makefile to build the docker image as a dependency

removed doxygen_doc target from the contrib/docker/Makefile as it is included with make sphinx_doc as a dependency for make html

* fuse dot(a,b) + c

cblas_gemm working on mlp

rebase & small fixes

enable debug output

support replacing function's outputs

* WIP pattern matching for variance

* - Added pattern matcher graph to look up variance(sub graph) in bn
- Added test case to verify the variance graph pattern

* added batch norm mean pattern matcher.

* remove reshapes

(cherry picked from commit ecad321fb1b1bc3f7facda229beb940118ca0701)

* fixed mean test to use Matcher.

* resolve merge conflict in test/pattern.cpp

* WIP bn fprop pattern

* fprop bn fusion working

* - Added unit test case to read the bn serializeed *.json file and run bn fprop fusion pass
- Added batchnorm header file and defined the bn class to emit the mkldnn kernel
- Added pattern matcher for fprop bn in CPU graph_rewrite pass

* WIP MKLDNN fprop bn emitter code

* completed fprop batchnorm kernel in CPU emitter

* fixed bug in the emitter code for fprop bn

* - Fixed copilation issues
- unit tests are passing for bn emitter fprop code

* Added support to compute fprop bn with mean annd variance as input

* resolved compilation issues

* refactored bn fprop code

* - added batchnorm src file to the CMakeFilelist
- moved bn fusion under CPU runtime/pass/cpu_fusion
- fixed compilation issue

* Resolved compilation issues in bn emitted code

* Addded debug statements in fprop bn emitted code

* added batchnorm.cpp src file

* - Added test case to test fprop batchnorm with known tensor values
- fixed bug related to defining weights in fprop bn

* - Added test case for fprop batchnorm Op
- Added test case for mean and variance pattern matcher
- Added fprop bn *.json file with input having 4dmis mb2c3h2w2
- refactored fprop bn op class

* Style fix

* - Removed Debug symbols

* - Fixed header template with correct year
- appended mkldnn.hpp in the CPU generated code

*  Addressed PR review comments
 -  added support for batchnorm op in serializer and de-serializer
 - added more sanity in bn constructor
 - renamed "BatchnormFprop" -> BatchNorm

* - Addressed PR review comments
- replaced auto with speicfic mkldnn::type in emitted bn kernel
- modified function signature to take 'eps' as double instead of <Node> type

* added missing header files, resolved compilation issue

* style fix

* Addressed PR comments
1. initilized member variables for bn in the same order as they are defined
2. renamed bn member variables to start with m_* as per coding convention
3. moved bn fusion test to test/cpu_fusion.cpp
4. style fix
5. added more checks to evaluate type and shape of inputs to bn

* Added support for EMITDECL macro for batchnorm

* - made correction to batchnorm src file name batchnorm -> batch_norm as per coding guidelines
- corrected bn copy_with_new_args() method

* Removed redundant SqrtOp support in serializer

* Doc the A-ops.

* Better structure for ops and the docs around them, based on cyphers branch for doc-the-a-ops

* More edits for merge into preview branch

* Update link to framework integration guide page on testing libngraph

* New branch for editing public-facing docs

* Make sure updated graphic gets added, correct compiler version on install page

* Update README to match content on legacy Python repo

* Let's see if this fixes the bad merge

* Working down in doc directory, forgot to update top-level readme with feedback from review

* Correct typo

* Trying to fix the ops

* Try adding convolution manually from master

* Update pictorial image of nGraph IR

- enable distributed ngraph (MPI)
- add AllReduce op to ngraph core, interpreter and CPU backend
- add AllReduce unit test

in emitter function definitions

CPU Layout Part 1: Infrastructure

* Some more op doc

* Review comments

* Review comments.

* Review comments

* fix Shape declarations

* Squashed commit of the following:

commit 5fdd89a8529743f05e84f837f64816f527506ff4
Merge: 9405cba3 90640854
Author: Louis Feng <louis.feng@intel.com>
Date:   Sun Feb 11 10:10:35 2018 -0800

    Merge branch 'master' into louisfeng/NGMX-275

commit 9405cba3c93b9ed7f61e2b7e28c47c5a1f95882a
Author: Louis Feng <louis.feng@intel.com>
Date:   Sun Feb 11 10:03:34 2018 -0800

    refactor with new policy.

commit ee3a1fb007fd9ba7a6b687391381900ad81fbce3
Author: Louis Feng <louis.feng@intel.com>
Date:   Sat Feb 10 23:49:16 2018 -0800

    added scoped emitter util.

commit 0ec93d0f3a62f7ada4aad1242a14ff34670c0512
Author: Louis Feng <louis.feng@intel.com>
Date:   Sat Feb 10 01:10:57 2018 -0800

    refactored common code.

commit 8acb3e10cb0328425a25688fe8f1d485c46a3892
Merge: 1835daf3 8d938e32
Author: Louis Feng <louis.feng@intel.com>
Date:   Fri Feb 9 21:59:55 2018 -0800

    Merge branch 'master' into louisfeng/NGMX-275

commit 1835daf3fe8bfcfa4dae41dc64249c15f0d2550c
Author: Louis Feng <louis.feng@intel.com>
Date:   Fri Feb 9 21:59:35 2018 -0800

    fixed errors.

commit 0eb5b34edc5c2035bf4bd929a467bfbdda231640
Merge: 35422d27 9918436d
Author: Louis Feng <louis.feng@intel.com>
Date:   Fri Feb 9 15:34:14 2018 -0800

    Merge branch 'louisfeng/fix-isnan' into louisfeng/NGMX-275

commit 35422d27b3ddd146bfb97c8bdf70919b411c24fc
Merge: 4ebde727 85a17aeb
Author: Louis Feng <louis.feng@intel.com>
Date:   Fri Feb 9 15:33:56 2018 -0800

    Merge branch 'master' into louisfeng/NGMX-275

commit 4ebde72731c5b82f67362249c6c29b8073c9ec85
Author: Louis Feng <louis.feng@intel.com>
Date:   Fri Feb 9 15:25:00 2018 -0800

    WIP.

commit 40f43c78285ee8003b84a16d1dba78c4a56a479e
Author: Louis Feng <louis.feng@intel.com>
Date:   Thu Feb 8 22:13:21 2018 -0800

    fixed dilation, passing all conv tests, fixed mxnet ngraph missing mkldnn namespace errors.

commit 34bc573f44a15bf39d4e547724c64a31093c2f4e
Author: Louis Feng <louis.feng@intel.com>
Date:   Wed Feb 7 23:42:27 2018 -0800

    fixed padding between ngraph and mkldnn.

commit df63ae6cd8694a6e63c0affa0a5747279ad5dfab
Author: Louis Feng <louis.feng@intel.com>
Date:   Wed Feb 7 23:34:41 2018 -0800

    fixed padding etc.

commit 62a7c8a89b6ddacd22f28c61389f7496482b87d2
Author: Louis Feng <louis.feng@intel.com>
Date:   Wed Feb 7 17:28:13 2018 -0800

    convolution backprop with mkldnn.

* minor changes.

* Fixed test case fail due to missing mkldnn head. Added new mkldnn ops to list of header include check.

* style format.

* rethrow ngraph execption and removed cerr message.

* refactor to keep changes within emitters.

* removed mkldnn util.

* Doc the A-ops.

* Better structure for ops and the docs around them, based on cyphers branch for doc-the-a-ops

* More edits for merge into preview branch

* Update link to framework integration guide page on testing libngraph

* Better arcbackprops, review comments

* Make ``input`` consistent.

* Uniform formatting.

* CPU: Runtime Context and Tracing

* CPU: Tracing controls

* CPU: Misc

* CPU: Restrict profiling to outermost function

* CPU: Address review comments

* Formatting fix

* unit tests faster

* speed up binary zero size tests

* fix style error

* remove some of the redundant code

* change debug enable from cmake flag to environment var so it can be changed without rebuild

* Doc for abs, update doxygen for ops with .rst doc

* Review

* WIP with test ops

* update WIP

* Add LLVM compilation detail from INSTALL to installation guide and cleanup todo comments on convolution.rst and remove deprecated file

* Clarify LLVM compilation flag on Ubuntu and delete WIP draft from earlier

fixed isnan issue on centos 7.2

MKLDNN Avg Pool Backprop kernel

* GPU kernels for reshape, GEMM, EW ADD/Mult, Maximum

(A + B) * C test now with cuBLAS
Additional gemm and gemv calls
cmake updates for cuDNN calls
memcpy wrappers in gpu_util

Additional passing tests:
aliased outputs, parameter, constant tensor memcopy

* compare derivatives from bprop and bprop with fprop cache

* code format

Fix pep8 warning in copyright