Downgrade the Sphinx to use 1.5.6

* Fix a borken link

* Fix the cn link

* New logo

* Remove ewww line

* Add label for the x-Axis

* Add zoom controll and save image feature to embedding.

* Add the 'how to use embedding' tutorial

* Add the chinese version of how to use embedding doc

* update syntax

* add punctuation

* change visualdl to visualDL

* Prove reading

* prove reading

* Add a new PyTorch example to show embedding.
Update pybind document.

* Change the function of embedding to take word
dictionary.

* Simplify Paddle demo by showing vgg only and add comments

* update python format

* fix format issue

* Use a more light weight method to get PCA and T-SNE. Update embedding documentations. Update loading animation

* Reveal the embedding tab

* Add the auto reload. and fix typos

* Update comments

* 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

* Update embedding label color

* Splite the data into matched and not-matched list

* After switching the dimension, also filter the list

* Use color variables to keep track the color

* Update color.

* Complete re layout the documentation on PPO.

* Add how to develop in cn. Also rearrange the demo location.

* Update the doc to use CDN

* Update installation guide.

* Update the doc setting to use layout.html template

* Update the documentations to fix some grammer error

* Add virtualenv and anaconda
* Remove overlap guide
* Clarify some confusing language

* Add new release note.

* Update the Graph feature description.

* Update the release log

* Fix the bug where the scalar chart is not showing time wall properly.

* Update Label to show wall time.

* update IP to new node

* hardcoding styles to nodes and edges

* add SVG_TO_PNG download helper

* tiny

* add copyright to the author

* 1.0.0

* Add license to the top of files

* Add licenses agreement on the demo files

* Provide demo code how on to create text records.

* Remove test code

Vue comes with the debouce feature. That's why I encountered the variable not used error. Removing those import and bring back the 'no-unused-vars' check. (#376)