Added gaussian blur and gaussian noise into the transfDataset class.
Added gaussian blur and gaussian noise into the transfDataset class.

andersbll/vlbenchmarks,CVML/vlbenchmarks,CVML/vlbenchmarks,andersbll/vlbenchmarks,CVML/vlbenchmarks,vlfeat/vlbenchmarks,vlfeat/vlbenchmarks,andersbll/vlbenchmarks,andersbll/vlbenchmarks,vlfeat/vlbenchmarks