PPI: Fix IntervalTimer unit test

PPI: Fix cloneSource unit-test packet construction
Scheduler: BUGFIX: uninitialized loop variable
Scheduler: BUGFIX: delay deletions in fdTable_ (can't change map while iterating over it)
Add global 'valgrind' target
Add 'valgrind.sup' suppressions file to suppress custom benign valgrind errors
Fix all unit-tests to run correcly under valgrind (mostly timing adjustments)

Add 'fixlinks' target and add 'fixlinks' to the auto-build
PPI: exchange registerEvent arguments
PPI: Add connector 'operator()' aliases
PPI: More detailed 'route' and 'registerEvent' documentation

Examples/RateStuffer: Use CloneSource module
Exmaples/RateStuffer: Implement using a RateStuffer subnet
PPI: Implement CloneSource
PPI: Add throttle()/unthrottle() to passive debug modules
PPI: Implement DiscardSink
PPI: Implement ThrottleBarrier
PPI: Implement missing unit tests
PPI: Complete the documentation
Scheduler: Improve ClockService performance and remove a race condition
Scheduler: Clean up Scheduler::process()
Utils: Make singleton::instance() protected by default and fix implementation
Remove private members from doxygen documentation

PPI: Implement ActiveFeederSource and ActiveFeederSink debug composites

Scheduler: Implement ClockService clockSkew detection / fixup

PPI: Implement IntervalTimer event
Scheduler: Change timeout() argyument to absolute time represented as ClockService::clock_type
Scheduler: Implement timer event cancelation
PPI: Implement RateStuffer in ppitest

PPI: Add additional unit testing

Socket/Protocols/INet: Slightly optimized generic INet6Address algorithms
Utils: Add ios_all_saver to hexdump()
senfscons: Add automatic image-copy to Doxygen builder (fixes weird doxygen copy problem)
Socket/Protocols/Inet: Add ConnectedUDPSocketHandle

Unified emacs Local Variables

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