* Migrate Kafka Streams branching sample
* Cleanup some Kafka samples
* copyright header added to several files
* Spring Boot Maven plugin put into parent samples pom.xml
* Removed unused dependency and fixed title in README.adoc
* Make confluent-schema-registry-integration sample poms consistent
* Update <description> w/ "Confluent" prefix
* Put spring-cloud-dependencies back to 2022.0.0-SNAPSHOT (I got confused w 2021 for a minute)
* Pull deps up to base pom.xml