Adds sharp and edge flags to appropriate items

Went through as many /obj/item/weapons as I could find and added sharp
and edge flags where appropriate.

Conflicts:
	code/modules/research/xenoarchaeology/finds/finds_misc.dm

code/modules/power/lighting.dm

@@ -748,5 +748,6 @@
 		src.visible_message("\red [name] shatters.","\red You hear a small glass object shatter.")
 		status = LIGHT_BROKEN
 		force = 5
+		sharp = 1
 		playsound(src.loc, 'sound/effects/Glasshit.ogg', 75, 1)
 		update()