Updates country data to be more usable in seeding

Cuts out tiny countries from internet users.csv
Renames countries in countries.rb to be more english
compatible
Refactors & implements seeding the internet users data

Encapsulates the seed methods into individual methods
Moves the generation of the file path behind the scenes
of the data loader interface.
Uses a guard clause to cut down conditional lines 
of code
Adds column: name to Multinational Corporation table

name is attr_accessible in the model now
changes schema
Adds rank number before each MNC
Implements MNC loading and seeding
Deletes Vatican City, Insufficient data
Implements an economy data loader and db seeding method
Adds forgotten column to schema

Lets that column be accessible
Formats goodness ranking data to be easily manipulatable
Implements data loading and seeding for the good country index
Bug Fix: Country Name errors