Fixed http request crash

app/src/main/java/com/jens/automation2/Miscellaneous.java

@@ -201,7 +201,7 @@ public class Miscellaneous extends Service
 				else if(method.equals(ActivityManageActionTriggerUrl.methodPost))
 					connection.setRequestMethod("POST");
 
-                if(httpParams.size() > 0)
+				if(httpParams != null && httpParams.size() > 0)
 				{
 					connection.setRequestMethod("POST");
 					connection.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");