add: npm gulp plugins

## for stylus & css
- gulp-minify-css
- gulp-pleeease
- gulp-rename
- gulp-stylus
Add: Gulp plugin, Setup: Stylus Groundwork

## Stylus
- commons, mixinsなどいつも使うものを追加

## Gulp
- Staticでの実装の際にLivereloadなどできるようにした
add: Footer Component Styles
on the way: right side column

- 右カラム途中まで実装
Merge branch 'v0.1' of https://github.com/tejitak/company_map into feature/styles

Conflicts:
	public/index.html
	public/js/main.js
	public/js/teji/company/components/tab.vue
途中
Merge branch 'v0.1' into feature/styles

Conflicts:
	public/js/main.js
Merge branch 'feature/styles' into v0.1