Removed overview panel for mysql device in UI
mysql monitor in progress
Remover unnecessary properties from server and database components
Added Errback to catch access denied error, added events sending
Started on unit test for modeler
Merge pull request #3 from ssirushchyshyn/master

MySQLModeler: added error handling and events
monitoring in progress
Merge remote branch 'vova/master'

Conflicts:
	ZenPacks/zenoss/MySqlMonitor/modeler/plugins/MySQLCollector.py