fsm: Do not display success note if worker not started
Merge pull request #360 from pwieczorkiewicz/success_note

fsm: Do not display success note if worker not started
util: Add on/off to ni_parse_boolean()
xml: Add const parameter to *_is_empty functions
bridge: Add ni_bridge_waittime_from_xml()
fsm: Change default worker timeout to 30s
fsm: Add ni_ifworker_extra_waittime_from_xml()
fsm: Add ni_fsm_find_max_timeout()
ifdown: Calculate max workers timeout
ifup: Calculate max workers timeout
ifreload: Calculate max workers timeout
fsm: No default worker_timeout
ifup: enable device only if devic-ready and config exists
fsm: Remove unnneded success output
ifstatus: Add ni_ifstatus_display_result()
ifup: Report ifstatus result
ifreload: Report ifstatus result
ifdown: Report ifstatus result
ifup: Remove status from monitor
ifup: Remove monitor status messages