Examples/MultiMCLoop: Add example and test for multiple local multicast socket forwarding
PPI: Emit throttle/unthrottle messages on connector connect

Scheduler/Console: Add 'sys' directory
Scheduler: Implement EventManager and 'sys/scheduler/events' command

Scheduler: Move remaining non-public implementation classes into 'detail' namespace
Adjust rest of SENF accordingly

senfscons: Speed up non-documentation builds (doesn't help much)
Socket/Protocols: Add documentation for sockaddr_cast

Console: Add incremental parsing support
Console: Implement non-interactive network console

Fix lot's of inline implementation ordering errors (make sure, all inline functions are implemented before first use)

Console: Clean up operator<< implementation for Client using socket crosscasts

Socket/Protocols/INet: Extend INet6SocketAddress syntax to support more flexible syntax variantes (embedded v4 address, hostname + zoneid ...)
Socket/Protocols/INet: Add (linux specific) support for v6 mapped v4 multicast addresses

Utils/Daemon: Ignore SIGPIPE signals by default
Console: Refactor console server to prepare for readline integration

Console: Add Console.hh
Console: Add testServer as example to the documentation
Console: Fix overload resolution when adding manually parsed commands
Console: Remove Server::instance() to be more flexible with future extensions

Scheduler: Implement binding helper

Scheduler: Fix documentation (main page)
Socket/Protocols: return ClockService::clock_type from timestamp()
Add 'Scheduler' library dependency to every user of the 'Socket' library

Scheduler: Add ClockService::from_time_t and from_timeval
Utils: Implement generic backtrace helper
Utils/Daemon: Catch fatal signals (plus SIGUSR2) and show a backtrace in debug builds

Utils: Add WrapException template
Utils/Daemon: BUGFIX: Only remove pidfile if we have created one ourselves

Console: Documentation

INet6Address(in6_addr in6a)

Socket: Fix NetDeviceController.test.cc (use 'lo' interface instead of 'wlan0'
Socket/Protocols/MPEGDVBbundle: Fix TransportPacket.test.cc (add 0 to constant to fix link error)

   - renamed "description()" member to "errorString()", 
   - renamed "where" attribute to "description", 
   - changed "what()" ouptut.