Only listen to local loopback instead of user-configured host as discussed in issue #147

Also issue warning when trying to bind to a port below 1024 and use default port in that case

src/http/HttpSettings.h

@@ -42,8 +42,6 @@ public:
     static void setSearchInAllDatabases(bool searchInAllDatabases);
     static bool supportKphFields();
     static void setSupportKphFields(bool supportKphFields);
-    static QString httpHost();
-    static void setHttpHost(QString host);
     static int  httpPort();
     static void setHttpPort(int port);