fix PCL build

Author: mythz

src/ServiceStack.Text/Reflection/StaticAccessors.cs

@@ -31,7 +31,7 @@ public static Func<object, object> GetFastGetter(this Type type, string propName
             if (getterFnCache.TryGetValue(key, out fn))
                 return fn;
 
-            fn = GetValueGetter(type.GetProperty(propName));
+            fn = GetValueGetter(type.GetPropertyInfo(propName));
 
             Dictionary<string, Func<object, object>> snapshot, newCache;
             do
@@ -54,7 +54,7 @@ public static Action<object, object> GetFastSetter(this Type type, string propNa
             if (setterFnCache.TryGetValue(key, out fn))
                 return fn;
 
-            fn = GetValueSetter(type.GetProperty(propName));
+            fn = GetValueSetter(type.GetPropertyInfo(propName));
 
             Dictionary<string, Action<object, object>> snapshot, newCache;
             do

src/ServiceStack.Text/ReflectionExtensions.cs

@@ -1747,6 +1747,15 @@ public static bool IsGenericType(this Type type)
 #endif
         }
 
+        public static bool ContainsGenericParameters(this Type type)
+        {
+#if (NETFX_CORE || PCL || NETSTANDARD1_1)
+            return type.GetTypeInfo().ContainsGenericParameters;
+#else
+            return type.ContainsGenericParameters;
+#endif
+        }
+
 #if (NETFX_CORE)
         public static object GetDefaultValue(this Type type)
         {