Branch test
Started SimilarityMatrix class
Merge remote-tracking branch 'upstream/matrix' into matrix
Created Constructors
Added the matrixToCSV method
Finished the getFloatArray method
Start testing the class
Tested the getFloatMatrix method
Changed the headers of csv file to the column ids of the similarity matrix
Changed the headers of csv file to the 1 to num_of_row of the similarity matrix by default.
Tested the matrixToCSV method.
Commented the main method
Refactored matrixToCSV  into a single function
Moved back the main function
Merge pull request #20 from shilad/matrix

Similarity Matrix Class
Added the Similarity Matrix