PPI: Fix bad EventManager::eventTime() values before launching the scheduler

Scheduler: Rename watchdog scheduler functions

Scheduler: Implement BlockSignals helper class

Utils/Logger: /sys/log/self command and more command documentation
Scheduler: Add usingHiresTimers() to query current timer source

Scheduler: Switch default timer source to lores / epoll()

Clean up all file-defines and remove all tabs

PPI: Document Module::v_init() member
Scheduler: Rename EventEvent to EventHook
Documentation updates

Scheduler: EventEvent hook
Scheduler: Simple task priorities

Scheduler: Documentation update

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

Scheduler: Clean up FIFORunner::TaskInfo interface
Update rest of senf to use the new API

Scheduler: Move task 'name' argument to constructor
Scheduler: Remove obsolete 'enabled_' members
Scheduler: Remove obsolete SchedulerTimer class

Scheduler: Fix FIFORunner exception safety
Scheduler: Implement new signal event API
Migrate SENF to use new signal API

Scheduler: Watchdog configuration support

Scheduler: Add automatic periodic resync to ClockService::abstime() and ClockService::clock()
Scheduler: Add task nameing
Scheduler: BUGFIX: Add missing task-dequeue in FdDispatcher::add()
Scheduler: Add empty() member to all dispatchers
Scheduler: Add eventTime() support to FdManager
Scheduler: Add support for non-pollable file descriptor detection to FdManager and FdDispatcher
Scheduler: Add FIFORunner task watchdog
Scheduler: Add debugging backtrace to FIFORunner
Scheduler: Change senf::Scheduler implementation to use the new dispatcher infrastructure
Scheduler: BUGFIX: Fix access to (possibly) destroyed object in TimerEvent::run()
Utils: Add senf::signalName() helper
Utils/Daemon: Use senf::signalName() in debug messages
Utils/Logger: Fix logger to correctly format the timestamp (the deadlock should be fixed now)
Update scheduler callback signatures to the new API throughout the project
Update documentation

Console: Pass ParseCommandInfo instead of ArgumentsRange to the callbacks
Console: Add named aliases for operator overloads ('[]' and '()')
Utils: Document, where impl/demangle.h comes from
Updated the 'Setting up a new project using SENF' documentation

- some documentation updates, once again

Changed all exceptions to inherit from senf::Exception
Replaced all throwErrno() calls with throw SystemException()

Small SCons V0.96 compatibility fix

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)

Scheduler: Hack suppoer for ordinary files into the scheduler (epoll does *not* support ordinary files ...)
Scheduler: Daemon class: Add consoleLog (log file) support

Scheduler: Add debug log message, fix signal handlin bug
Scheduler: Remove all registered handlers/callbacks/descriptors at end of unit test
Utils/Logger: Undef SENF_LOG_CONF if defined in main.test.hh
Scheduler: Moved Daemon class from Utils here. Can't be in Utils since it depends on the Scheduler :-(
Scheduler: Daemon class: Implemented correkt fork() and simple log-passing behaviour

Scheduler: Elaborate more on boost::bind usage
Utils: Start senf::Daemon base class
Utils/Logger: Make ConsoleTarget a singleton
Utils/Logger: Introduce fallback routing

Scheduler: Simplify callback parameter (remove mostly ignored callback handle parameter)
Scheduler: Add timeoutEarly and timeoutAdjust parameters