fix typo in setup.py
config: move optparse import to top
config: make parsed command line options accessible everywhere
implement daemonize
add pidfile handling
config: fix drbd resource parsing
config: add configuration file existence check
init: handle new python-based pidfile
build-system: move manpages spec hack to a seperate line
log: add logging config after config parsing

* This allows for 5 new items in koublad.conf
   verbosity = info    #allowed: debug,info,warning,critical
   syslog_level = warning
   syslog_facility = user #every standard syslog facility available
   filelog_level = warning
   filelog_filename = /var/log/koublad.log

* Allowed values for levels and verbosity: debug,info,warning,critical
* Initial handler is still created for critical messages only.