SMART App Launch Test Kit v0.4.0

NOTE: This uses a new version of Inferno Core which requires a database migration to be run. If using Docker, run setup.sh. If using Ruby, run bundle exec inferno migrate.

What's Changed

• FI-2253: Fix jwt dependency by @Jammjammjamm in #52
• FI-2325: Check fhirContext by @emichaud998 in #56
• FI-2342: Add Token introspection tests by @alisawallace in #57

Full Changelog: v0.3.0...v0.4.0