Bump Spark to version 1.0.2 and make minor modifications to support changes in API packages

Bump to Version 1.0.2 of Spark

Show changes for Spark 1.0.2 upgrade

Update spec to start SparkStreamingContext, clean up deprecatd classes

Replace depricated toArray with collect

remove thread sleep and use event bus for notifying actor ready in preStart()

remove dead code

fix import ordering, removed unused imports and removed Logging.

Bump to Spark Version 1.0.2 for 1.1.0 release
Merge pull request #224 from tsindot/upgrade_spark_102

Bump Spark to version 1.0.2 and make minor modifications to support API