Added new dataset - geomteric transformed images generator (right now supports only rotation).
Added new dataset - geomteric transformed images generator (right now supports only rotation).

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