Further optimize `apple-touch-icon-precomposed`

  before:         1226 B
  after:          1076 B
  ──────────────────────
  reduction:      -150 B [-12.23%]
Update to Normalize.css 3.0.0
Update `CHANGELOG.md`
Update to jQuery 1.11.0

Close #1499.
Merge from h5bp
Merge branch 'master' of https://github.com/KriaSoft/Web-App-Boilerplate