1.6.0 Android 35 support

What's Changed

• Compact day schedule by @marnberg in #98
• Update target version to 35 and minSDK to 21 with Hubby … by @marnberg in #99

Full Changelog: v1.5.1-master...v1.6.0-master

Sample app Android 12 support and conclave patch

Patch conclave, handle invalidation messages without deviceID.
Add Android 12 support in sample app

Enables OAuth authentication handled outside afero SDK

• Adds ability to configure softhub with matching api host and authenticator cert
• Updates afero lab to handle both authentication flows.