INSTALL-BINARY placeholder: change invalid URLs (request from Kristofer)

Docs/INSTALL-BINARY

 
-You can find information about how to install binary distributions at
+You can find information about installing MySQL at
 
-  http://dev.mysql.com/doc/refman/5.1/en/quick-standard-installation.html
+  http://dev.mysql.com/doc/refman/5.1/en/installing.html
 
 The MySQL Reference Manual is also available in various formats on
 http://dev.mysql.com/doc; if you're interested in the DocBook XML
-sources go to http://svn.mysql.com.
+sources go to http://dev.mysql.com/doc/index-other.html.