added and modified test data for delineateit and routedem. see #3793.

delineateit/input/dem.tif

delineateit/input/outlets.cpg

delineateit/input/outlets.dbf

delineateit/input/outlets.prj

delineateit/input/outlets.qpj

delineateit/input/outlets.shp

delineateit/input/outlets.shx

delineateit/watersheds.dbf

delineateit/watersheds.shp

delineateit/watersheds.shx

routedem/expected_file_list.txt

routedem/expected_file_list_multiple.txt

routedem/expected_file_list_single.txt

routedem/input/dem.tif

routedem/v_stream_1000.tif