Train-test method rearranged with k-fold cross-validation. Start-end lines calculated in create-files.sh. Environment parameters updated on env.sh. For loops changed from 3 to 4 in init.sh. K-fold cross-validation loop has been added and overall result calculated for the data in train.sh
Merge pull request #2 from umutakin91/master

Implementation of K-fold Cross-Validation