enhance script plugin features

(support service resolver with generic args)
(support requiresTarget for command)

SharedLibraryCore/Interfaces/IScriptPluginServiceResolver.cs

@@ -1,10 +1,25 @@
-namespace SharedLibraryCore.Interfaces
+using System.Collections.Generic;
+
+namespace SharedLibraryCore.Interfaces
 {
     /// <summary>
     /// interface used to dynamically resolve services by string name
     /// </summary>
     public interface IScriptPluginServiceResolver
     {
+        /// <summary>
+        /// resolves a service with the given name
+        /// </summary>
+        /// <param name="serviceName">class name of service</param>
+        /// <returns></returns>
         object ResolveService(string serviceName);
+
+        /// <summary>
+        /// resolves a service with the given name and generic params
+        /// </summary>
+        /// <param name="serviceName">class name of service</param>
+        /// <param name="genericParams">generic class names</param>
+        /// <returns></returns>
+        object ResolveService(string serviceName, string[] genericParameters);
     }
 }