Merge pull request #1733 from ISISComputingGroup/Stanford_sr400_device_screen_icon

Fixes checkstyle and system tests

Author: danielmaclaren

base/uk.ac.stfc.isis.ibex.devicescreens/src/uk/ac/stfc/isis/ibex/devicescreens/components/ComponentType.java

@@ -220,7 +220,7 @@ public enum ComponentType {
     MAGNET,
     /** Counters. */
     COUNTER,
-	//** PHOTON COUNTER. */
+	/** PHOTON COUNTER. */
 	PHOTON_COUNTER;