Update configuration system to use JSON

Eve-O-Preview/Configuration/ConfigurationStorage.cs

@@ -1,7 +1,36 @@
-namespace EveOPreview.Configuration
+using System.IO;
+using Newtonsoft.Json;
+
+namespace EveOPreview.Configuration
 {
-	public class ConfigurationStorage
+	public class ConfigurationStorage : IConfigurationStorage
 	{
-		 
+		private const string ConfigurationFileName = "EVE-O Preview.json";
+
+		private readonly IApplicationConfiguration _configuration;
+
+		public ConfigurationStorage(IApplicationConfiguration configuration)
+		{
+			this._configuration = configuration;
+		}
+
+		public void Load()
+		{
+			if (!File.Exists(ConfigurationStorage.ConfigurationFileName))
+			{
+				return;
+			}
+
+			string rawData = File.ReadAllText(ConfigurationStorage.ConfigurationFileName);
+
+			JsonConvert.PopulateObject(rawData, this._configuration);
+		}
+
+		public void Save()
+		{
+			string rawData = JsonConvert.SerializeObject(this._configuration, Formatting.Indented);
+
+			File.WriteAllText(ConfigurationStorage.ConfigurationFileName, rawData);
+		}
 	}
 }