Packets/MPEGDVBBundle: Use senf::Parse_Variant in SNDUPacket

Utils: Implement ErrnoException

Logger: Implemented compile-time configuration support

Provide additional include files for socket protocols
Socket: Change UDP socket handle to bind instead of connect if given an address argument.

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: Add documentation
Utils: Make Logger macros define empty stub types

Socket/Protocols/INet: Add INet4Address documentation
Fix some missed INet4Address -> INet4SocketAddress renames
Fixed several std:string arguments to use std::string const &

Socket: Added complete MACAddress class
Packets/DefaultBundle: Make EthernetPacket use the MACAddress class

Packets: Move typeidvalue to Utils/TypeIdValue
Packets: Add integer parser documentation
Packets: Fix ExampleListPolicy documentation
Packets: Document Parse_Vector

Packets: Document integer parsers and beginn collection parser documentation (Array)
Add additional auto generted doc layouting to html-munge .xsl

Packets: Document DataPacket, safe_data_iterator and exceptions
Packets: Move bundle documentation out of the Packets documentation
Scheduler: Make test more robust (add sleep ...)
Move all local dictionary words into senf.dict