chore: update to 8.0.0-beta.27 with changelog (angular#1115)

build: upgrade to Angular v8 final RC w/ release fix (angular#1068)

chore: update to 8.0.0-beta.25 with changelog (angular#1062)

chore: update to 7.0.0-beta.24 with changelog (angular#1039)

chore: update to 7.0.0-beta.23 with changelog (angular#968)

chore: update to 7.0.0-beta.22 with changelog (angular#934)

chore: update to 7.0.0-beta.21 with changelog (angular#917)

chore: update to 7.0.0-beta.20 with changelog (angular#913)

feat: upgrade to TypeScript v3.1 (angular#860)

* Upgrade apps to Angular CLI v7
* Update versions in package.json to v7 for Angular and Material
* Update to TypeScript v3.1 and change the MatchMedia interface
  to match updated spec

chore: update to 6.0.0-beta.18 with changelog (angular#829)