Updates after third round of review

README.md

-LOCATE - LOCally Adaptive Threshold Estimation 
+LOCATE - LOCally Adaptive Threshold Estimation (https://www.biorxiv.org/content/early/2018/10/08/437608)
 
 Estimating the threshold adaptively for the white matter lesion probability maps obtained from BIANCA (refer to https://fsl.fmrib.ox.ac.uk/fsl/fslwiki/BIANCA/Userguide for more details)
 
@@ -14,3 +14,5 @@ LOCATE_LOSO_testing(train_image_directory_name);
 LOCATE requires the training and test data to be prepared in a
 specific way for its execution. Kindly refer to the user manual
 (LOCATE_User_Manual_V1.1_20052018) for more information on data preperation and additional options on LOCATE training and testing.
+
+