Load WIKI_PRICES csv file into Spark

Expected data directory is set in treasureapp/src/main/resources/application.conf

1. Requires Linux/Mac (?I think?)
2. Rename file to: price_data.csv
3. Move it into: $HOME/TreasureData/ (ie /Users/username/TreasureData)
4. Run Main Class: com.treasure.analytics.DemoSparkLoad