added stock history csv files, initial commit of historical_stocks.py
created the historical_stocks.py class
changed name of class to 'historic_stock.py'
made each stock have the name of the company that its prices represent
added modular division to index to ensure that it rolls over
Merge branch 'nick_dev' of github.com:Jreese42/ece2524stocks into nick_dev
made historic data modular