Fix https://issues.apache.org/bugzilla/show_bug.cgi?id=57261
Change /vminfo and /threaddump Manager commands to print an "OK -" line, thus aligning them with other commands. Document them.

Merged r1643731 from tomcat/trunk.

git-svn-id: https://svn.apache.org/repos/asf/tomcat/tc8.0.x/trunk@1643737 13f79535-47bb-0310-9956-ffa450edef68
Reorder, aligning with antlib.xml.

Merged r1643733 from tomcat/trunk.

Actually it might be better to document loading antlib.xml to declare the tasks, but that is out of my scope for now.

git-svn-id: https://svn.apache.org/repos/asf/tomcat/tc8.0.x/trunk@1643738 13f79535-47bb-0310-9956-ffa450edef68
For https://issues.apache.org/bugzilla/show_bug.cgi?id=57261
List vminfo, threaddump and some other Ant tasks from antlib.xml

Merged r1643734 from tomcat/trunk.

git-svn-id: https://svn.apache.org/repos/asf/tomcat/tc8.0.x/trunk@1643739 13f79535-47bb-0310-9956-ffa450edef68
Remove debug code.

git-svn-id: https://svn.apache.org/repos/asf/tomcat/tc8.0.x/trunk@1643753 13f79535-47bb-0310-9956-ffa450edef68
Move change log to the correct section 

git-svn-id: https://svn.apache.org/repos/asf/tomcat/tc8.0.x/trunk@1643756 13f79535-47bb-0310-9956-ffa450edef68