Packets/MPEGDVBBundle: Use senf::Parse_Variant in SNDUPacket

Packets: Add parse helpers for private fields
Packets: Rename all SENF_PARSE_ parse helpers to SENF_PARSER_
Packets/MPEGDVBBundle: Fix parsers to make use of the new parse helper features
Add additional Doxygen predefined macros to correctly parse the packet parse helper macros

Fix TAGFILE dependencies
Fix some URL references
PPI: Add additional 'route' documentation
Globally disable SUBGROUPING in Doxygile.global

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

Examples/RateStuffer: documentation

Unified emacs Local Variables

Add HTML tidy postprocessing and error filtering to SENFScons doxygen method
Add doclib/filter.pl INPUT_FILTER to fix example code indentation in the documentation
Add a glossary to the Socket documentation
Furthher Socket library docs (Protocol classes)

Updated documentation templates to include cross-reference
Fixed documentation build (especially regarding cleanup)
Cleaned up BUG, FIXME, TODO and IDEA items
More SocketLibrary documentation

add table layout

Rename macro prefix SATLIB to SENF
Begin socket library documentation

Add optional local configfile 'Doxyfile.local'

Renaned directory satscons to senfscons

Add class diagram to SocketLibrary

Add additional templates