* Limit embedding tag name to be embedding only

* display the runs to the user, so they can pick which embedding to see

* The server now loads run parameter.

* Remove the need of passing a tag name to embedding log writer and reader.

* Remove un-needed fetch

* Use first item in the list

* rename showingRun to selectedRun

* Add license to the top of files

* Add licenses agreement on the demo files

* Complete audio data integration:
* Add num channels, sample width, sample rate as params
* Generate audio file with proper params

* clang format

* Audio integration to front end
* Add flask end point
* Read and decode audio data

* refract a typo

* fix clang format

* Make the frontend to fetch the data from the flask server.

* Provide loading animation.

* Fixed format style
Fix the issue where the display label not working.

* Provide a 2D 3D switcher.
Display the chart in 3D.

* Include PCA method to do dimension reduction

* Fix the style.

* Fix typo
Use === to compare type as well.

* Add manual Save feature.

* Fix the incorrect style

* Add feature to record Text

* Create a simple UI for text preview.

* Connect frontend with backend text data

* Move a constant from parameter to the body.
Remove test log

* Add Python 3 support

* Update protobuf to 3.5 and pybind to 2.2.2

* Update test scripts to use python -m

* Change zip/xrange/import usages

* Remove file generated by

* Graph viz set up (#282)

* Include the Graph requirement, GraphViz` in docs.

* Provide information to the ONNX format model export.

* Ask the user to download Graphviz via the website instead of brew.

* Make test and build scripts compatible with python 2 & 3

* A WITH_PYTHON3 option was added to cmake.

* setup.py will detect runing version python, and setup up WITH_PYTHON3 environemnt variable before calling build.sh

* build.sh and test.sh will handle WITH_PYTHON3

* Fix pybind warning

* Pass WITH_PYTHON3 correctly

* Fix coding style

* Add six for Python 2 and 3 Compatibility

* Fix coding style

* Add C++ and python style check to travis.  
* Update all C++/python code that violate coding standards.

* fix

* fix lib

* init paddle

* add image writer

* change sample numble to 4

* add image and conv image

* add histogram

* rename test file

* optimize sampling

* fix comments

* len(data) only once

just a trick to store int8 in protobuf

should limit the maximum image shape latter