Prepare release 1.1.0-alpha1
#236 Upgrade to Cassandra 2.1.0 and Spark 1.1.0.
Merge pull request #258 from datastax/wip-236-cassandra-2.1.0-spark-1.1.0-upgrade

#236 Upgrade to Cassandra 2.1.0 and Spark 1.1.0.
259 Updated the streaming doc, removed stale status.
Merge pull request #260 from datastax/wip-259-update-streaming-docs

259 Updated the streaming doc, removed stale status.
Added support for ignoring non-local DCs
Merge pull request #267 from TheWeatherChannel/b1.1

Added support for ignoring non-local nodes in the load balancer
Support for SparkSQL.
Add CassandraSQLContext which enables to execute SQL queries against Cassandra. Add SparkSQL demo.