Improved tags for doxygen documentation (added relations between free functions and classes, grouped classes into modules)

git-svn-id: https://sfml.svn.sourceforge.net/svnroot/sfml/branches/sfml2@1535 4e206d99-4929-0410-ac5d-dfc041789085

include/SFML/Network/Ftp.hpp

@@ -532,6 +532,7 @@ private :
 
 ////////////////////////////////////////////////////////////
 /// \class sf::Ftp
+/// \ingroup network
 ///
 /// sf::Ftp is a very simple FTP client that allows you
 /// to communicate with a FTP server. The FTP protocol allows

include/SFML/Network/Http.hpp

@@ -407,6 +407,7 @@ private :
 
 ////////////////////////////////////////////////////////////
 /// \class sf::Http
+/// \ingroup network
 ///
 /// sf::Http is a very simple HTTP client that allows you
 /// to communicate with a web server. You can retrieve

include/SFML/Network/IpAddress.hpp

@@ -287,6 +287,7 @@ SFML_API std::ostream& operator <<(std::ostream& stream, const IpAddress& addres
 
 ////////////////////////////////////////////////////////////
 /// \class sf::IpAddress
+/// \ingroup network
 ///
 /// sf::IpAddress is a utility class for manipulating network
 /// addresses. It provides a set a implicit constructors and

include/SFML/Network/Packet.hpp

@@ -269,6 +269,7 @@ private :
 
 ////////////////////////////////////////////////////////////
 /// \class sf::Packet
+/// \ingroup network
 ///
 /// Packets provide a safe and easy way to serialize data,
 /// in order to send it over the network using sockets

include/SFML/Network/Socket.hpp

@@ -202,6 +202,7 @@ private :
 
 ////////////////////////////////////////////////////////////
 /// \class sf::Socket
+/// \ingroup network
 ///
 /// This class mainly defines internal stuff to be used by
 /// derived classes.

include/SFML/Network/SocketSelector.hpp

@@ -167,6 +167,7 @@ private :
 
 ////////////////////////////////////////////////////////////
 /// \class sf::SocketSelector
+/// \ingroup network
 ///
 /// Socket selectors provide a way to wait until some data is
 /// available on a set of sockets, instead of just one. This

include/SFML/Network/TcpListener.hpp

@@ -104,6 +104,7 @@ public :
 
 ////////////////////////////////////////////////////////////
 /// \class sf::TcpListener
+/// \ingroup network
 ///
 /// A listener socket is a special type of socket that listens to
 /// a given port and waits for connections on that port.

include/SFML/Network/TcpSocket.hpp

@@ -193,6 +193,7 @@ public :
 
 ////////////////////////////////////////////////////////////
 /// \class sf::TcpSocket
+/// \ingroup network
 ///
 /// TCP is a connected protocol, which means that a TCP
 /// socket can only communicate with the host it is connected

include/SFML/Network/UdpSocket.hpp

@@ -190,6 +190,7 @@ public :
 
 ////////////////////////////////////////////////////////////
 /// \class sf::UdpSocket
+/// \ingroup network
 ///
 /// A UDP socket is a connectionless socket. Instead of
 /// connecting once to a remote host, like TCP sockets,