Added readme for Spark dependency
Added readme for Spark dependency

siddaartha/spork,sigmoidanalytics/spork,siddaartha/spork,sigmoidanalytics/spork,sigmoidanalytics/spork,siddaartha/spork,siddaartha/spork,siddaartha/spork,sigmoidanalytics/spork,sigmoidanalytics/spork,sigmoidanalytics/spork,siddaartha/spork