Merge pull request #1 from ggw215/data_mining

Data mining
Gives credit to Factbook gem and refines purpose statment
Implements a module to pull data from data folder
Collects Main players GDP and top 50 MNCs

To be stored in a SQL database with CSV scripts
Military Spending as % of GDP Data collected
Credit given to data collection
Adds raw datasets for military specs

Troop counts, military spending historically, 
navy and air force inventory as well as the ranking
best intelligence agencies and their home countries