* front-end add vue-i18n dependency

* back-end support language selection with option --language or -L

* front-end add language support with vue-i18n

* Create pre-commit with ESLint

* add vue-eslint-parser

* Add prop-name-casing and script-indent to the eslint rule.

* Update Javascript and Vue files with the proper style

* Comment out ESlint pre-commit first to udpate styles

* Use ESlint to format the Javascript and Vue files.
Strongly recommended rules applied.

* Add google format package

* 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.

* Move san files to deprecated folder.

* Clean up some leftover san code in Vue.

* remove San package from the package.json

* Initial checking to setup Vue basic requirements. (#264)

Add App.vue
Add AppMenu.vue

* Vue with app menu (#265)

* Add vuetify framework
Update AppMenu.vue to include the basic menu item.

* use name as key.

* Add major components (#266)

* Add vuetify framework
Update AppMenu.vue to include the basic menu item.

* use name as key.

* Add Scalars, Images, Histograms, Graph.

* Switch to use the stylus language for CSS

* Port functions from Scalars.san to Scalars.vue

* Add config vue (#267)

* Add vuetify framework
Update AppMenu.vue to include the basic menu item.

* use name as key.

* Add Config Vue

* Integrate chart to scalar with Vue (#268)

* Fix warnings from Vue compiler
* use default prop instead of duplicate data and prop
* use function instead of shorthand declaration with data

* refract naming style, fix scalar options

* Fix config UI

* Add chart and chart page and integrate to scalar

* update with varun and jeff's comments

* Add images config (#270)

* Add vuetify framework
Update AppMenu.vue to include the basic menu item.

* use name as key.

* Add the Config.vue for Images

* Add the CharPage.vue and Image.vue

* Hook up the config to the image.vue so that the image height and width can update

* Show Scalar Data and add ExpandPanel (#272)

* Watch tagInfo changes to update chart and fix tooltip issue

* Add expand panel and maintain isShow state in the panel

* Add Expand Panel in Image

* Add watch group name reg (#273)

* Add vuetify framework
Update AppMenu.vue to include the basic menu item.

* use name as key.

* Add Watch on the groupNameReg

* Allow the nav bar to persist the selected item style. (#274)

* Fix the incorrect pagination issue. (#276)

* Add the Graph.vue and the Config.vue for Graph tab (#277)

* Add the Histogram related vue files. (#278)

* Fix error message on charts (#279)

* Make sure to clear the chart before each use.

* Add key for v-for loop.

* Add theme and fix UI (#280)

-Apply theme color in Vuetify
-Add main.styl to override Vuetify default stylus variables
-Add relative path in web pack config to find variables.styl

* Fix multiple scalar issues: (#283)

* Fix multiple scalar issues:
-download link / outliers should take boolean value instead of array
-download link now show proper selector of runsItem and download button
-Use tag as key to prevent chart re-rendering
-Add missing label in scalar config and fix UI

* simply use index for key because scalar has different tag info structure from image and histogram

* Fix font size and reorganize css and stylus (#287)

* Fix comments

* placeholder index.js

* Fix issue where download data link points to empty run (#294)

-Dropdown should only display non empty runs
-Select first run by default
-Remove drop down if all are empty runs
-Refract download type to runItemForDownload
-Add train run and multiple tags in mock data

* Fix error when scalar data empty (#298)

-Error comes in when trying to access elements inside empty data
-When one of the runs has empty data, the chart will display nothing even other run has non empty data
-Fix by checking length of data before accessing

* modify overlay and offset chart view interplay problem

* resolve frontend fecs problem

* resolve the hover circle problem for histogram

* modify the color of multiple lines in scalar

* adjust the frontend code

* modify san template

* adjust histogramHelper code

* reslove fecs code style problem

* fix the tooltip index error

* frontend add graph

* frontend add image for graph, images, histogram update

* add graph get url; fix scalar

* modify theme color

* modify right config theme color

* modify right config theme color

* delete the large graph.png

* delete console

* scalars frontend basically done

* frontend rename common/fun to util

* add images, scalar config

* add expandpael arrow

* fix scalars tooltip display problem

* modified something in frontend directory

* modified gitignore

* remove node_modules

commit eb6d0cce
Author: superjom <superjom@gmail.com>
Date:   Mon Dec 25 19:48:28 2017 +0800

    code format

commit 353e1028
Author: superjom <superjom@gmail.com>
Date:   Mon Dec 25 19:47:46 2017 +0800

    restore

* scalars frontend basically done

* frontend rename common/fun to util

* init logdir runs tags and scalars interface

* add debug

* add one mock data

* add dir server

* move frontend to server

* optimizer python package

* add mock data

* add back result encode

* use application/json as Response type

* rm .DS_Store

* update mock tags

* update mock data