First pass on ore distribution map and stationary drilling rig.

Added sprites for stationary drilling gear.
Added skeleton ores for coal, adamantine, mythril. Updated some icons. Expanded mining rig functionality.
Changed adamantine and mythril to osmium and metallic hydrogen.
Added ore distribution map generation to master controller.
Added upgrading to stationary drills, tweaked other stuff.
Rewriting the ore processor and how ores handle information. Also rewrote the ore stacker.

code/modules/mining/ore_datum.dm

@@ -0,0 +1,51 @@
+/datum/ore
+	var/oretag
+	var/alloy
+	var/smelts_to
+	var/compresses_to
+
+/datum/ore/uranium
+	smelts_to = /obj/item/stack/sheet/mineral/uranium
+	oretag = "uranium"
+
+/datum/ore/iron
+	smelts_to = /obj/item/stack/sheet/mineral/iron
+	alloy = 1
+	oretag = "hematite"
+
+/datum/ore/coal
+	smelts_to = /obj/item/stack/sheet/mineral/plastic
+	alloy = 1
+	oretag = "coal"
+
+/datum/ore/glass
+	smelts_to = /obj/item/stack/sheet/glass
+	compresses_to = /obj/item/stack/sheet/mineral/sandstone
+	oretag = "sand"
+
+/datum/ore/phoron
+	smelts_to = /obj/item/stack/sheet/mineral/phoron
+	oretag = "phoron"
+
+/datum/ore/silver
+	smelts_to = /obj/item/stack/sheet/mineral/silver
+	oretag = "silver"
+
+/datum/ore/gold
+	smelts_to = /obj/item/stack/sheet/mineral/gold
+	oretag = "gold"
+
+/datum/ore/diamond
+	smelts_to = /obj/item/stack/sheet/mineral/diamond
+	oretag = "diamond"
+
+/datum/ore/osmium
+	smelts_to = /obj/item/stack/sheet/mineral/platinum
+	compresses_to = /obj/item/stack/sheet/mineral/osmium
+	alloy = 1
+	oretag = "platinum"
+
+/datum/ore/hydrogen
+	smelts_to = /obj/item/stack/sheet/mineral/tritium
+	compresses_to = /obj/item/stack/sheet/mineral/mhydrogen
+	oretag = "hydrogen"