Added ability to create default global alert rules
Updated default rules
Setting default delay to 300 seconds so alerts are every 5 minutes
Set device_id to -1
Updated ability to acknowledge alerts
Update print-alert-rules.php
Update print-alert-rules.php
Merge pull request #373 from laf/issue-laf-97

Added ability to create default global alert rules
Merge pull request #375 from laf/issue-laf-98

Updated ability to acknowledge alerts