Add an ini writer that respects the file structure and the comments that may be
already present in the config file. Move Application/Config.php into
Config/Config.php.
refs #4352
Refactored existing command controller so that it reflects the
correct coding style, rewritten the icinga restart command and
added a very simple form for it.
refs #4355
New namespace implementation created to load application code
like forms with this autoloader. Consumpting services can register
their own, multiple namespaces. Overlapping namespaces matched
by closest name.
refs #4407