Rewrote news ticker

- Rewrote news ticker based on JSON web API tutorials
- Simplified json files for news ticker as part of rewrite
- Renamed /dialog to /json

scripts/autoload/power_grid.gd

@@ -0,0 +1,7 @@
+extends Node
+
+var power_grid: int # Number of power stations in the area. Helps provide redundancies.
+var power_capacity: int
+var current_power_cap: int
+var prev_power_cap: int
+var has_power: bool

scripts/autoload/sim_data.gd

@@ -14,18 +14,6 @@ var current_power_cap: int
 var prev_power_cap: int
 var has_power: bool
 
-var res_tax: int = 1
-var comm_tax: int = 1
-var indust_tax: int = 1
-
-var res_income: int
-var comm_income: int
-var ind_income: int
-
-var fire_tax: int
-var police_tax: int
-var power_tax: int
-
 var ticker_files: Array = [
 	"adverts.json",
 	"sammy.json"

scripts/autoload/zone_data.gd

@@ -0,0 +1,13 @@
+extends Node
+
+var res_tax: int = 1
+var comm_tax: int = 1
+var indust_tax: int = 1
+
+var res_income: int
+var comm_income: int
+var ind_income: int
+
+var fire_tax: int
+var police_tax: int
+var power_tax: int