Merged revision 1601850 from tomcat/trunk:
Use StringManager for the async not supported message.


git-svn-id: https://svn.apache.org/repos/asf/tomcat/tc7.0.x/trunk@1601852 13f79535-47bb-0310-9956-ffa450edef68
Remove obsolete documentation from realm package javadoc.
The text is something very old that talks about "debug" attribute and that there are two standard realms, JDBCRealm and MemoryRealm.
The up-to-date documentation is maintained in docs/config/realm.html
Merged r1601855 from tomcat/trunk.

git-svn-id: https://svn.apache.org/repos/asf/tomcat/tc7.0.x/trunk@1601856 13f79535-47bb-0310-9956-ffa450edef68