Ninjafix: Add sbt/sbt-launch*.jar to gitignore
Ninjafix: Add sbt/sbt-launch*.jar to gitignore

ponkin/spark-cassandra-connector,viirya/spark-cassandra-connector,rafaelbarreto87/spark-cassandra-connector,datastax/spark-cassandra-connector,debasish83/cassandra-driver-spark,shashwat7/spark-cassandra-connector,viirya/spark-cassandra-connector,rafaelbarreto87/spark-cassandra-connector,ponkin/spark-cassandra-connector,uncommoncode/spark-cassandra-connector,maasg/spark-cassandra-connector,debasish83/cassandra-driver-spark,jimenefe/spark-cassandra-connector,christobill/spark-cassandra-connector,shashwat7/spark-cassandra-connector,datastax/spark-cassandra-connector,christobill/spark-cassandra-connector,maasg/spark-cassandra-connector,uncommoncode/spark-cassandra-connector,jimenefe/spark-cassandra-connector