Added WinCommandAction to execute windows command from a notification

This fixes ZEN-12151 jira issue.
Documentation: Wireshark troubleshooting section.
Add Wireshark screenshot. Fix wording in docs.
Merge remote-tracking branch 'zenoss/develop' into develop
Merge pull request #189 from ssirushchyshyn/develop

ZEN-12151
Support for sql server failover cluster service instances

The scope of ZEN-12401.
Implemented scripts for getting cluster and local istances.
Used owner node's hostname to get modeling/monitoring data for cluster sql
instances.
Removed commented out code
Used '//' to separate node and server in cluster_node_server property
Merge remote-tracking branch 'zenoss/develop' into develop
Merge pull request #192 from ssirushchyshyn/develop

ZEN-12401
Fixed ZEN-11384
Merge remote branch 'upstream/develop' into develop