Updated scss and scripts from 4.0.x to 4.3.2

- Updated scss and scripts from 4.0.x to 4.3.2 (from https://github.com/zurb/foundation/tree/scss-standalone)
- Changed package.json version from 0.3.2 to 0.3.3
- Changed package.json description to add Foundation version number: "Yeoman generator for Zurb Foundation 4.3.2"

scss directories copied:

foundation-scss-standalone\foundation\scss
to
generator-zurb-foundation\app\templates\app\styles

scripts directories copied:

foundation-scss-standalone\foundation\js\foundation
to
generator-zurb-foundation\app\templates\app\scripts\foundation

foundation-scss-standalone\foundation\js\vendor
to
generator-zurb-foundation\app\templates\app\scripts\libs