added wmult to config, fixed missing n_photons opt to Scattered and Tiled Image building functions
(#401)
reinstated use of wmult in config test script
(#401)
modified the test script to only use the 4 and 8 core tests (since all results with 1,2 seem consistent), now will test wmult
(#401)
made it so that the a copy is made before both occasions that config funcs are called, making the routines non-destructive of the input
(#401)