Minor fixes to intro.

Author: glynos

libs/network/doc/intro.qbk

@@ -54,9 +54,7 @@ application layer protocols such as SMTP, FTP, SOAP, XMPP etc.
 [section:history History]
 The __cnl__ was founded by Dean Michael Berris in 2007.  Initially it
 consisted of a message template and an HTTP client.  It found a home
-on [[http://sourceforge.net/projects/cpp-netlib/][sourceforge]] but
-was recently migrated to
-[[http://github.com/mikhailberis/cpp-netlib][github]] where
+on __sf_cpp_netlib but was recently migrated to _github__ where
 development is actively continued by a committed community.
 
 [endsect] [/history]

libs/network/doc/network.qbk

@@ -32,6 +32,8 @@
 [def __python__ [@http://www.python.org Python]]
 [def __libcurl__ [@http://curl.haxx.se/ libcurl]]
 [def __mozilla_netlib__ [@http://www.mozilla.org/projects/netlib/ mozilla-netlib]]
+[def __sf_cpp_netlib__ [@http://sourceforge.net/projects/cpp-netlib/ sourceforge]]
+[def __github__ [@http://github.com/mikhailberis/cpp-netlib][github]]
 
 
 [def __quick_start__ quick start]