Prepare for 1.2.0 release

Prepare for 1.1.2 release

Release 1.1.1

Prepare for v1.1.0 release

Ignore asdf version manager file

Merge pull request flippercloud#749 from jnunemaker/remove-dsl-methods

Remove convenience methods on `Flipper` and `Flipper::DSL`

Release 0.28.3

Release v0.28.2

Prepare for 0.28.1

Release 0.28.0