fix: error with service in aot

Fixes an error with the `RoundProgressService` in AoT mode.

feat: update to Angular 8 and general cleanup

feat: bump to Angular 6 and change defaults provider

chore: bump to 1.2.1 and lock down typescript version

chore: bump to angular 5.0.0

chore: bump to 1.1.1

Add dist

chore: bump to angular 4 and 1.1.0

fix: easing error, build on clean repo, ts 2.2

Bump to 1.0.6