Recommend use of schema-registry 2.1.0-alpha1

Merge pull request confluentinc#163 from alexlod/doc-broker-remove-2.x

Doc change to remove the expectation that a broker is running on localhost:9092.

Confluent Platform 2.0.0 Release

Confluent Platform 2.0.0 Release

Confluent Platform 2.0.0 Release

Confluent Platform 2.0.0 Release

Remove unneeded newline

Use Java 7

Remove unneeded newline

Add requirements section