Fix a race condition when creating the connection pool mutex and make sure...

Fix a race condition when creating the connection pool mutex and make sure that memory is being allocated from the correct pools when connections are being established. Enforce the GLOBAL_ONLY parameter for all of the directives.

Reviewed by: bnicholes, trawick, jim

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@390548 13f79535-47bb-0310-9956-ffa450edef68