message: Bump minimum version of css-slam for npm audit.
diff: "babel-preset-minify": "=0.4.0-alpha.caaefb4c",
  "babel-plugin-minify-guarded-expressions": "=0.4.1",
  "babylon": "^7.0.0-beta.42",
  - "css-slam": "^2.1.1",
  + "css-slam": "^2.1.2",
  "dom5": "^3.0.0",
  "gulp-if": "^2.0.2",
  "html-minifier": "^3.5.10",
  