use new check_cluster script
protect command line arguments for check_icinga_cluster.py
add support for netdevice.enabled flag
support config hints
changed output
migrate to new special_commands structure
disable duplex / speed check for lo
set flag when monitoring_hint is used for a service
moved logic to monitoring.py (cluster-backbone.sql), store value
handle raw discs
moved from md_check_data_store to monitoring_hint
improved cache_handling, be more verbose about cache usage
fixed bug
changes due to new inter-process communication scheme
fixed typo in eonstor_info
Merge branch 'master' into 2.x