added powerstate method without param for fetching standby state

Author: fabsi88

.gitignore

@@ -4,3 +4,5 @@ __dummy.html
 *.o
 *.obj
 __test__*__
+
+dub\.selections\.json

source/openwebif/api.d

@@ -214,9 +214,12 @@ interface OpenWebifApi {
 	///
 	@method(HTTPMethod.GET)
 	RecordNow recordnow();
-	/// powerstate expects 0 for toggle standby, 1 for deep stanbdy, 2 reboot box, 3 restart gui */
+	/// powerstate expects 0 for toggle standby, 1 for deep stanbdy, 2 reboot box, 3 restart gui 
 	@method(HTTPMethod.GET)
 	PowerState powerstate(int newstate);
+	/// 
+	@method(HTTPMethod.GET)
+	PowerState powerstate();
 	///
 	Json message(string text, int type, int timeout);
 }