huge commit for advanced stats feature.

broke data out into its own library.
may be breaking changes with existing plugins

Data/Migrations/MySql/20190222234742_AddIndexToEFMeta-KeyAndClientId.cs

@@ -0,0 +1,30 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+namespace Data.Migrations.MySql
+{
+    public partial class AddIndexToEFMetaKeyAndClientId : Migration
+    {
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            if (migrationBuilder.ActiveProvider == "Pomelo.EntityFrameworkCore.MySql")
+            {
+                migrationBuilder.Sql("CREATE FULLTEXT INDEX IX_EFMeta_Key ON EFMeta ( `Key` );");
+            }
+
+            else
+            {
+                migrationBuilder.CreateIndex(
+                    name: "IX_EFMeta_Key",
+                    table: "EFMeta",
+                    column: "Key");
+            }
+        }
+
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropIndex(
+                name: "IX_EFMeta_Key",
+                table: "EFMeta");
+        }
+    }
+}