added unit test for thrust issue #5 (re: large structs in device_vector)
added unit test for thrust issue #5 (re: large structs in device_vector)

julianromera/thrust,UIKit0/thrust,rdmenezes/thrust,hemmingway/thrust,google-code-export/thrust,hemmingway/thrust,levendlee/thrust,lishi0927/thrust,UIKit0/thrust,Vishwa07/thrust,bfurtaw/thrust,Vishwa07/thrust,allendaicool/thrust,julianromera/thrust,h1arshad/thrust,bfurtaw/thrust,rdmenezes/thrust,rdmenezes/thrust,h1arshad/thrust,malenie/thrust,lishi0927/thrust,h1arshad/thrust,google-code-export/thrust,hemmingway/thrust,levendlee/thrust,lishi0927/thrust,allendaicool/thrust,google-code-export/thrust,malenie/thrust,lishi0927/thrust,allendaicool/thrust,UIKit0/thrust,malenie/thrust,bfurtaw/thrust,UIKit0/thrust,allendaicool/thrust,hemmingway/thrust,h1arshad/thrust,julianromera/thrust,Vishwa07/thrust,levendlee/thrust,Vishwa07/thrust,bfurtaw/thrust,levendlee/thrust,google-code-export/thrust,julianromera/thrust,rdmenezes/thrust,malenie/thrust