Refactor FdsConfig init; update copy task and assets

- FdsConfig.Initialize now accepts IConfiguration for DI support; Program.cs updated to pass builder.Configuration.
- Gulp "copy" task logs copied files for better feedback.
- Bank statement file input now accepts all file types.
- Updated glyphicon font binary assets.

Fuchs_DataService/FdsShared.cs

@@ -26,6 +26,11 @@ public static class FdsConfig
             .Build();
     }
 
+    public static void Initialize(IConfiguration configuration)
+    {
+        _config = configuration;
+    }
+
     // -- Connection strings ---------------------------------------------------
     internal static string SQLConnectionString() =>
         Current.GetConnectionString("fuchs_ConnectionString")