change integration test environment to use local cache
Add Screenshot as an Export
Revise DragSlider but seems like its still buggy to IBM softlayer.
add a new param: last to page.attr1, page.text1, PageRow.paginate & PageSchemaRDD.paginate
rename sql to sqlContext in SpookyContext to avoid name confusion
add Yelp example and 5 Cloud examples
Revise SpookyTestCore to save output when executed