message: Fluid-Build: Add 'build:fast' script to package.json
diff: "build:docs": "lerna run build:docs --stream --parallel && npm run build:gendocs",
  "build:gendocs": "api-documenter yaml -i packages/_api-extractor-temp/doc-models -o docs/api",
  "build:genver": "lerna run build:genver --stream --parallel",
  - "build:flow": "lerna run build --stream --scope '@chaincode/flow-*' --scope '@prague/flow-*' --scope '@prague/routerlicious'",
  + "build:fast": "node ./tools/fluid-build/dist/fluidBuild.js --root .",
  "build:full": "npm run build:genver && npm run build:full:compile && npm run tslint && npm run build:docs",
  "build:full:compile": "lerna run build:full:compile --stream",
  "clean": "lerna run clean --stream --parallel && npm run clean:docs && npm run clean:nyc",
  "clean:docs": "rimraf packages/_api-extractor-temp docs/api/*/**",
  "clean:nyc": "rimraf nyc/**",
  - "postinstall": "npm run postinstall:lerna && (npm run postinstall:r11s || true)",
  + "postinstall": "npm run postinstall:lerna && (npm run postinstall:r11s || true) && (npm run postinstall:fluid-build || true)",
  "postinstall:lerna": "lerna bootstrap --hoist --nohoist tslint-microsoft-contrib",
  + "postinstall:fluid-build": "cd tools/fluid-build && npm i && npm run build",
  "publish-local": "lerna run publish-local --stream",
  "rush": "node ./common/scripts/install-run-rush.js",
  "rush:build": "npm run rush -- build",
  