randomFeatureGenerator.m: makes repeatable with image
randomFeatureGenerator.m: makes repeatable with image

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