Make ptolemian bolt shooter available. Patch by fatherbushido, fixes #4006.

Let ptolemians produce it in a captured siege workshop.
Remove bolt shooter technology from seleucids, as they don't have that
weapon.

This was SVN commit r18243.

binaries/data/mods/public/simulation/data/technologies/siege_bolt_accuracy.json

@@ -2,12 +2,26 @@
 	"genericName": "Bolt Accuracy",
 	"description": "Improvement to projectile accuracy",
 	"cost": { "food": 0, "wood": 250, "stone": 0, "metal": 250 },
-	"requirements": { "all": [{ "tech": "phase_city" }, { "all": [{ "notciv": "brit"}, { "notciv": "gaul" }, { "notciv": "iber" }, { "notciv": "maur" }, { "notciv": "pers" }] } ]},
+	"requirements": {
+		"all": [
+			{ "tech": "phase_city" },
+			{
+				"all": [
+					{ "notciv": "brit"},
+					{ "notciv": "gaul" },
+					{ "notciv": "iber" },
+					{ "notciv": "maur" },
+					{ "notciv": "pers" },
+					{ "notciv": "sele" }
+				]
+			}
+		]
+	},
 	"requirementsTooltip": "Unlocked in City Phase.",
 	"icon": "accuracy_bolt.png",
 	"researchTime": 40,
 	"tooltip": "Bolt shooter accuracy increased 25%.",
 	"modifications": [{ "value": "Attack/Ranged/Spread", "multiply": 0.8 }],
-	"affects": ["Bolt Shooter"],
+	"affects": ["BoltShooter"],
 	"soundComplete": "interface/alarm/alarm_upgradearmory.xml"
 }

binaries/data/mods/public/simulation/templates/structures/mace_siege_workshop.xml

@@ -28,6 +28,7 @@
       units/{civ}_mechanical_siege_scorpio_packed
       units/{civ}_mechanical_siege_oxybeles_packed
       units/{civ}_mechanical_siege_lithobolos_packed
+      units/{civ}_mechanical_siege_polybolos_packed
       units/{civ}_mechanical_siege_ram
       units/{civ}_mechanical_siege_tower
     </Entities>

binaries/data/mods/public/simulation/templates/structures/sele_fortress.xml

@@ -27,7 +27,6 @@
       siege_armor
       siege_cost_metal
       siege_cost_wood
-      siege_bolt_accuracy
       successors/special_war_horses
       successors/special_parade_of_daphne
     </Technologies>

binaries/data/mods/public/simulation/templates/template_structure_military_fortress.xml

@@ -84,6 +84,7 @@
       units/{civ}_mechanical_siege_scorpio_packed
       units/{civ}_mechanical_siege_oxybeles_packed
       units/{civ}_mechanical_siege_lithobolos_packed
+      units/{civ}_mechanical_siege_polybolos_packed
       units/{civ}_mechanical_siege_ram
       units/{civ}_mechanical_siege_tower
     </Entities>