add event MPM to the module list where necessary (most directives

documented here)

add mpmt_os2 to the list for ThreadStackSize

remove mpm_winnt from the list for CoreDumpDirectory


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1086299 13f79535-47bb-0310-9956-ffa450edef68