I thought I committed this change to the last PR, but it didn't go through.

* update friendly names to work properly in serialized graphs

* style

* fix compile error

* Fix bug introduced by #2238 on r0.15 (#2515)

* Fix bug introduced by #2238

* style

* Avijit/add diag 4 distributed debugging (#2523)

* Fix bug introduced by #2238

* Added a debug logging macro: NGRAPH_DIST_DEBUG which prints the timestamp and MPI rank for distributed AllReduceops

* Fixed code formatting.

* Moved the logging implementation to log.cpp

* Fixed clang warning

* Don't use namespace in header

* Fix ifdef

* disable warning

* Fix files that had missing headers (#2539) (#2541)

* Update mkl-dnn to v0.18. (#2543)

* Update mkl-dnn to v0.18.

* Update mkl-dnn patch file.

* Fixed Centos build issues (gcc 4.8.5 doesn't implement std::put_time - hence the issue). Also fixed a logical error in the distributed setup for unit tests (#2545)

* Migrate Klocwork issues (#2557)

* Migrate Klocwork fixes

* change to kick off another build

* Fix crash by correcting index (#2561)

* Update build script to fix Windows build issues and add some work tow… (#2531)

* Update build script to fix Windows build issues and add some work towards making codegen work on Windows.

* Use "git apply" instead of "patch". (#2532)

Enable using pre-installed MKLDNN on Window.

* Remove commented out lines.

* Update gold release date and features

* Diagram that shows FW & HW support for main md

* Simplified nGraph architecture for CPU

* Complex architecture diagram for all backends

* Replace

* Add ngraph stack diagram with FW and HW support

* relocate

* Relocate

* Replace stack diagram with NNP-L & NNP-I

* Updated copy and removed the disclaimer

* Removed "more detailed" sentence

* Update README.md

* Fixed sentence

* Update README.md

* nGraph logo small version

* Update README.md

* Added logo

* nGraph logo smallest version

* nGraph logo with header

* Update README.md

* Delete ngraph_logo_header.png

* nGraph logo with header

* Update README.md

* nGraph header on the main repo page

* Added header

* nGraph architecture simplified for CPU

* nGraph architecture complex

* Added architecture simple architecture diagram

* Modified the full stack diagram

* nGraph architecture simple diagram with padding

* Added padding to simple architecture image

* Update ABOUT.md

* Add new logo to doc landpage

* Fix typo

* replace macro with proper function declaration

* fix merge error

* split runtime backend and executable source files

* style

* address one-hot tests

* get backends passing unit tests

* disable OneHot test until it can be fixed

* add ngraph and std namespaces to c++ files

* style

* Extend compile API to take in PassConfig object

* fix override warning

* remove extra semicolon

* cmake fixes to support cases where include_path has multiple directories

* Help pybind find the overloaded compile methods

* Limit compile-api exposed through PyBind (#2530)

* clang-format

* Remove setter for compilation mode to prevent post-init changes. Add compile-mode warning.

* Removed pass_config include

* fix merge

* Fix bug introduced by #2238

* Added a debug logging macro: NGRAPH_DIST_DEBUG which prints the timestamp and MPI rank for distributed AllReduceops

* Fix bug introduced by #2238 on r0.15 (#2515)

* Fix bug introduced by #2238

* style

* Fixed code formatting.

* Moved the logging implementation to log.cpp

* Fixed clang warning

* Don't use namespace in header

* Fix ifdef

* disable warning

* Fixed Centos build issues (gcc 4.8.5 doesn't implement std::put_time - hence the issue). Also fixed a logical error in the distributed setup for unit tests

* Skeleton for faster validation asserts

* Switch to __VA_ARGS__ for compatibility, remove -Wno-variadic-macros

* Add benchmarks for constructing Add and Convolution

* Quick hack to avoid shadowing inside the CHECK macro

* Quick hack to avoid inadvertent capture inside the macro

* Update convolution, and change a bunch of tests to anticipate the new error class

* Fallback to default pooling kernels when mkldnn doesn't support input format

* create default output descriptors

* [ONNX] change [] into .at()

* Update graph.cpp

* Fix bug introduced by #2238

* Apply style.

* Add all dependent libraries to mlsl linkage interface

* Use ${CMAKE_SHARED_LIBRARY_PREFIX} and ${CMAKE_SHARED_LIBRARY_SUFFIX}

* Normalize the printing of settings of bools to TRUE and FALSE

* change TRUE/FALSE to ON/OFF

* Refactor to create MKLDNN primitives on the first iteration:
  add, avg_pool, batch_norm, bounded_relu, concat, convert_layout,
  leaky_relu, lrn, max_pool, quantized_avg_pool, quantized_max_pool,
  relu, sigmoid, slice, softmax.

* Refactor to create MKLDNN primitives on the first iteration:
  pooling backward, convolution.

* Refactor to create MKLDNN primitives on the first iteration:
  convolution backward, rnn, lstm, quantization, dequantization.

* Delete one duplicate declaration.

* Create and pass mkldnn descriptors/primitive-descriptors for ops.

* Create and pass mkldnn descriptors for convolution backward ops.

* Remove one unused variable.

* Remove unused variables.

* Remove unused variables.

* Address PR feedback.

* Fix a bug.

* Add one parameter to build_quantize_reorder.

* Address PR feedback.

* Fix bi-rnn issue.

* rename and document the node name methods

* address more references to renamed methods

* fix compile error

* fix build error

* Reuse memory for CPU backend.

* Use NGRAPH_REUSE_MEMORY to enable memory reuse.

* Add a test.

* Move make_function to test_tools.cpp.

* Add more comments.

* Address PR Feedback: add a method to CPU backend.

* *Add a member to CPUOpAnnotations to remove redundant code.

*Overload compile function for CPU backend.

* Move make_function out of test_tools.

* Address PR Feedback.

* Use modified liveness analysis in CPUMemoryAssignment pass.

* Use lambda expression.

* Fix style error.

* Check if any user of the tensor has destructive io when building tensor alias map.

* Fix a bug.

* Check if tensor has multiple users.

* Allow tensor alias for destructive oi node.

* Update multiple_users_tensor set along the chain of in place ops.

* No tensor alias if input is parameter or constant.

* Use buffer sets in cpu memory assignment,
tensors sharing the same memory buffer are put into the same set.

* Add more checks and do not combine sets when allowing destructive oi.

* Style fix.

* Do no allow destructive oi if the input tensor uses function input memory.

Update set label.

* Add unit tests.

* Style fix.

* Get the correct size for memcpy when the input is padded.

* Style fix.

* Address PR feedback.

* Address PR feedback.

* Move make_function in cpu_test after #if 0 and before the disabled test.

* Add utility functions.

Use iterator.

Rename variables.

* Add pass attributes and move cpu memory assignment to common passes (#2504)

* Add info about lib versions in an easy to find place

* Review comments