Rpm package: pass the HTTPD_LANG variable to the httpd process in line

Rpm package: pass the HTTPD_LANG variable to the httpd process in line
with Fedora. Remove the use of the apachectl script, as a script calling
another script makes no sense. Test for the pidfile specifically, so
that Redhat's scripts don't fall back to using pidof and returning the
status of other httpd processes running on the same box.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@885608 13f79535-47bb-0310-9956-ffa450edef68