Add stream callback flags and class specific control request handler code to the incomplete Test and Measurement Class device demo.

Change over the keyboard demo's manufacturer name back to the primary author of the demo.

Demos/Device/Incomplete/TestAndMeasurement/makefile

@@ -121,7 +121,6 @@ LUFA_OPTS += -D FIXED_CONTROL_ENDPOINT_SIZE=8
 LUFA_OPTS += -D FIXED_NUM_CONFIGURATIONS=1
 LUFA_OPTS += -D USE_FLASH_DESCRIPTORS
 LUFA_OPTS += -D USE_STATIC_OPTIONS="(USB_DEVICE_OPT_FULLSPEED | USB_OPT_REG_ENABLED | USB_OPT_AUTO_PLL)"
-LUFA_OPTS += -D NO_STREAM_CALLBACKS
 
 
 # Create the LUFA source path variables by including the LUFA root makefile