lua.h, liblua5.1, liblua-5.1 or liblua can be resolved.  This avoids
adding strange paths on fedora/redhat, and choosing the wrong /lib[64]
flavor.

Also ensure -lm is always added to the actual linked libraries, avoiding
a LoadModule failure on fedora/redhat.  Still should first try to search 
for pkg-config lua settings, but note this would break fedora until that
build hackery is corrected, c.f. the bug
https://bugzilla.redhat.com/show_bug.cgi?id=499238



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The mod_so and mod_watchdog are truly not mappers/ at all.  Very open
to better names than modules/core/ but these are clearly API's which
are to be consumed by the httpd core, or generically, any module.


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- do not include graceful commands and duplicate
  start|restart|stop
- add ServerRoot to the parameters encapsulated by "-n"


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No functional change.


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Change the balancer workers area to the address of workers instead copying the workers.
Arrange lbmethod accordingly.
Move the creation of conf->forward worker to mod_proxy child_init().


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change


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loadable mod_watchdog, started with 771581.

This clears my list of missing modules as of 6 weeks ago, might be
a few new still to clear up.

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transformations which currently fail for balancer://foo targets, but
work just fine with other ProxyReverse targets.

  The balancer comparison is a bit trickier.  Given the context

    BalancerMember balancer://alias http://example.com/foo
    ProxyPassReverse /bash balancer://alias/bar

  translate url http://example.com/foo/bar/that to /bash/that

E.g. there may be several different url-suffixes (1st order) of any
particular BalancerMember set e.g. /app1, /app1 and /appbeta while
there may be additional suffixes associated with the actual
ProxyPassReverse directive.  Neither were properly reversed, now
both should be properly handled.

One *critical* assumption;

    BalancerMember balancer://alias/foo http://example.com/bar

should be documented as a meaningless construct, since one cannot
have two members, balancer://alias/foo and balancer://alias/bar,
and the balancer member structures discard this path.

Note one more existing error case as an XXX comment due to invalid
uri comparisons.



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The only module with an excuse now is mod_so which implements
LoadModule itself.

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remove lock/unlock structure elements per r771262


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mode to fork an unprivileged child per-request in the manner of MPM-ITK
anwhere there's a risk of running malicious code.
Documentation to follow.


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