Add FTSE 100 Stock Data, update report

Add FTSE 100 data for 87 stocks in 2501 trading days. Tickers are given
in tickers.txt. Dates used for the data is in testableDates.txt. Data is
in outputStockData.txt.
Very minor updates to interim report.
Updates to MATLAB file to read FTSE 100 stock price data as well.