frontend 2.0.0-beta.24: more style lint rules, add server language detection, build process improvement (#604)

* chore: fit requirements of python 3

* feat: fix global frontend lint

* build: use cached frontend package

* feat: add browser language detection

* style: introduce sort imports, more style mixins

* 2.0.0-beta.24

* v2.0.0-beta.12

* v2.0.0-beta.13

* fix: use new development server

* v2.0.0-beta.14

* build: build frontend from npm tarball

* fix: update python setup

* build: fix build on windows

* add loading & empty style

* v2.0.0-beta.12

* v2.0.0-beta.13

* fix: use new development server

* v2.0.0-beta.14

* build: build frontend from npm tarball

* refactor: initialize VisualDL 2.0

* refactor: fix dev server problem

* refactor: add i18n

* refactor: fix i18n

* infra i18n支持

* styled-components for debug

* infra. essential hack for styled comopnent

* use yaml for translation

* fix: navbar url problem

* feat: add nuxt module to build locales

* fix: index route redirect error

* feat: add page title

* refactor: move i18n to module

* feat: add html lang attribute

* R.I.P

* Hello React

* refactor: initialize VisualDL 2.0

* fix: layout rerender

* add favicon

* add page title

* add meta tags

* feat: finish tag filter

* refactor: hook tastes good

* add single select

* finish components

* add api server

* scalars segregate metrics

* json-server sucks

* echarts

* add eslint

* bug fix

* finish scalars page

* change layout, fix aside

* add commit hook

* use tag filter hook

* add chart loading

* encapsulate run select

* samples page under construction

* finish images

* feat: graph page, still need some polishment

* finish high-dimensional

* fix mock data problem

* update readme

* fix build

* fix: use Buffer.from instead of constractor

* update Readme
Co-authored-by: NNiandalu <Niandalu@users.noreply.github.com>

* 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 script to call webpack to deploy and watch frontend code from within flask.  Optimize script location (#236)

* Add script to call webpack to deploy and watch frontend code from within flask.  Optimize script location

* remove npm install

* Create "setup_dev_env.sh" script that will set up all the node and SDK depenencies.  Create "start_dev_server.sh" to start up dev server, which will start backend server and start webpack --watch on frontend.

* fix build problem that the first build has no js.
* use for loop to check if frontend file is duplicated
* package_data use *.js *.html to match file

* support manylinux build