OS-113 add fmd_hdl_debug() to allow easy verification during QA cycles.
Fix issue where ereports should be dropped but where not

Reviewed by: Jan Kryl <jan.kryl@nexenta.com>
Reviewed by: Michael Tsymbalyuk <michael.tsymbalyuk@nexenta.com>
Reviewed by: Ivan Krivonos <ivan.krivonos@nexenta.com>
SUP-795 IDMAP: idmap_getwinnamebyuid() and idmap_getwinnamebygid() fails for empty domains
Reviewed by: Yuri Pankov <yuri.pankov@nexenta.com>
Reviewed by: Gordon Ross <gordon.ross@nexenta.com>
SUP-765 When a Windows Clustered Shared Volume is placed on a pool under Nexenta HA Cluster control the clustered shared disk looses its PGR3 reservation to the presented zvol.
Reviewed by: Bayard Bell <bayard.bell@nexenta.com>
Reviewed by: Tony Nguyen <tony.nguyen@nexenta.com>
Reviewed by: Josef Sipek <josef.sipek@nexenta.com>