Added CLI options for the SearchReadsExample using scallop.
Updated README.md to document the new flag values.
Updated README file to the new configuration options
Merge pull request #3 from elmer-garduno/add_scallop_options

Added runtime configuration flags
Added instructions to run spark-examples on GCE.

Updated the README with instructions on how to run the examples on GCE.
Updated SearchReadsExample1 to print the results on the local console.

Also did a small refactoring to create the spark context from the configuration.
Fixed README style.
Merge pull request #4 from elmer-garduno/docs_run_on_gcloud

Added instructions to run spark-examples on GCE.
Merge remote-tracking branch 'upstream/master'
Merge pull request #5 from elmer-garduno/master

Merge pull request #1 from deflaux/master
Merge remote-tracking branch 'upstream/master'