Release PSK v3.2.0

[abdonrd]

Changelog

• Cache the polyfills in runtime & cache images. Cache the polyfills in runtimeCaching #1066
• Remove unneeded bower.json from polymer.json. b8d74a5
• Update manifest.json. Update manifest.json #1067
• Tag new version. Draft release

Comparing changes from last version

v3.1.0...master

Pending features for futures versions (?)

• Remove unneeded properties. Remove unneeded properties #1037
• Implement lazy-imports. New: Implement lazy-imports #998

[keanulee]

Released!

[abdonrd]

Thanks for the review @keanulee!