added Migrator.EF6.Tools to entity framework project dependencies.

Author: ismcagdas

src/AbpCompanyName.AbpProjectName.EntityFramework/project.json

@@ -4,7 +4,11 @@
   "dependencies": {
     "AbpCompanyName.AbpProjectName.Core": "1.0.0.0-*",
     "Abp.EntityFramework": "1.1.3",
-    "Abp.Zero.EntityFramework": "1.1.0"
+    "Abp.Zero.EntityFramework": "1.1.0",
+    "Migrator.EF6.Tools": {
+      "type": "build",
+      "version": "1.0.8"
+    }
   },
 
   "tools": {