bower.json

{
  "name": "sage",
  "homepage": "https://roots.io/sage/",
  "authors": [
    "Ben Word <ben@benword.com>"
  ],
  "license": "MIT",
  "private": true,
  "dependencies": {
    "bootstrap-sass": "3.3.6",
    "gsap": "GreenSock-JS#^1.18.2",
    "scrollmagic": "2.0.5"
  },
  "overrides": {
    "bootstrap-sass": {
      "main": [
        "./assets/stylesheets/_bootstrap.scss",
        "./assets/javascripts/bootstrap/transition.js",
        "./assets/javascripts/bootstrap/alert.js",
        "./assets/javascripts/bootstrap/button.js",
        "./assets/javascripts/bootstrap/carousel.js",
        "./assets/javascripts/bootstrap/collapse.js",
        "./assets/javascripts/bootstrap/dropdown.js",
        "./assets/javascripts/bootstrap/modal.js",
        "./assets/javascripts/bootstrap/tooltip.js",
        "./assets/javascripts/bootstrap/popover.js",
        "./assets/javascripts/bootstrap/scrollspy.js",
        "./assets/javascripts/bootstrap/tab.js",
        "./assets/javascripts/bootstrap/affix.js",
        "./assets/fonts/bootstrap/glyphicons-halflings-regular.eot",
        "./assets/fonts/bootstrap/glyphicons-halflings-regular.svg",
        "./assets/fonts/bootstrap/glyphicons-halflings-regular.ttf",
        "./assets/fonts/bootstrap/glyphicons-halflings-regular.woff",
        "./assets/fonts/bootstrap/glyphicons-halflings-regular.woff2"
      ]
    },
    "gsap": {
      "main": [
        "./src/uncompressed/TweenMax.js"
      ]
    },
    "scrollmagic": {
      "main": [
        "./scrollmagic/uncompressed/ScrollMagic.js",
        "./scrollmagic/uncompressed/plugins/animation.gsap.js"
      ]
    }
  }
}

Any clue on what is the best way to include Greensock members plugins (eg DrawSVG) within your bower file, do I need to include it from of my local assets folder? The scollmagic.js solution of your works great, thanks for sharing.