Features
- @nguniversal/builders: add static page generator builder using Angular SSR Clover (2066f18)
- @nguniversal/builders: add support for proxy configuration in ssr-dev-server (6ef0de8), closes #1757
- @nguniversal/common: add experimental SSR project Clover (c4b7be3)
- @nguniversal/common: add ng-add schematic (dcb1438)
- @nguniversal/common: expose common engine public api (7e8fcec)