Use Yarn for JS/CSS Libs

[ximex]

Use Yarn to manage JavaScript & CSS Libs https://yarnpkg.com/

Edit: Changed from Bower to Yarn

[ximex]

My first .bowerrc and bower.json test:

{
  "directory": "adm_program/libs"
}

{
  "name": "admidio",
  "description": "Admidio is a free open source user management system for websites of organizations and groups.",
  "keywords": ["admidio", "management", "organizations"],
  "license": "GPL-2.0",
  "homepage": "https://www.admidio.org/",
  "dependencies": {
    "blueimp-file-upload": "^9.12.5",
    "bootstrap": "^3.3.7",
    "bootstrap-datepicker": "^1.6.4",
    "browser-update": "",
    "ckeditor": "^4.5.11",
    "datatables": "^1.10.12",
    "datatables-plugins": "^1.10.12",
    "html5shiv": "^3.7.3",
    "jquery": "^2.2.4",
    "lightbox": "https://github.com/ashleydw/lightbox.git#^4.0.2",
    "moment": "^2.15.1",
    "NobleCount": "https://github.com/theproductguy/NobleCount.git",
    "respond": "^1.4.2",
    "select2": "^4.0.3",
    "select2-bootstrap-theme": "^0.1.0-beta.9",
    "zxcvbn": "^4.4.0"
  }
}