Added new parameter to repeatability benchmark - normRegionSize.
Added new parameter to repeatability benchmark - normRegionSize.

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