Update SDK Version to 3.2.0

Update SDK Version to 3.1.0

Update SDK Version to 3.0.0

Update version to 2.9.1

Update version to 2.9.0

Update Gradle Wrapper to 6.9.4

Update SDK Version to 2.8.0

Update SlackMessageForwarder to use HTTP logo

Updating the call to for the logo to use https. We're trying to cut over to only support https on static.mparticle.com, so the logo wouldn't load here after that takes place.

Update version to 2.6.0

Update version to 2.5.0