Update version number

git-svn-id: https://svn.apache.org/repos/asf/xerces/c/trunk@488268 13f79535-47bb-0310-9956-ffa450edef68

doc/Doxyfile

@@ -23,7 +23,7 @@ PROJECT_NAME           = Xerces-C++
 # This could be handy for archiving the generated documentation or 
 # if some version control system is used.
 
-PROJECT_NUMBER         = v2.6.0
+PROJECT_NUMBER         = v3.0.0
 
 # The OUTPUT_DIRECTORY tag is used to specify the (relative or absolute) 
 # base path where the generated documentation will be put.