ZF-10308: sniff for Zend Server
ZF-10308: sniff for Zend Server

- Sniff for Zend Server in constructor
- If using Zend Server, use zend_monitor_custom_event, with three
  arguments only (third is event)
- If using Zend Platform, use monitor_custom_event, with third argument
  being priority (and priorities > 4 reporting as "normal", <= 4 as
  "severe")

git-svn-id: abaeb2b3ba5a94ed391a9405ad7d63d0414021c9@23350 44c647ce-9c0f-0410-b52a-842ac1e357ba

svn2github/zend_framework,jupeter/zf1,svn2github/zend_framework,svn2github/zend_framework,svn2github/zend_framework,svn2github/zend_framework,jupeter/zf1,jupeter/zf1