Adjust scroll position on container after triggering the 'rendered' event

Prevent behaviors from altering the current scroll-position on page reload when refreshing or changing the focus.

fixes #7269
Add missing close buttons to views without tabs
Fix AlertSummary report cannot find EventHistory dataview

We should start to think about how to prevent such issues ;)
AlertSummary: Avoid division by zero
general config: Don't keep unused configuration directives
IcingaCommand: Fix strict standards violation: Only variables should be passed by reference
File: Fix ErrorException::__construct()'s parameters
Throw an ErrorException on E_STRICT errors
Fix our Logger not supporting named logging levels and requiring the 'enabled' directive
Logger/FileWriter: Rename 'target' directive to 'file'
Logger/SyslogWriter: Define configuration defaults here

Usage of closelog() is optional so I removed the explicit calls.
Logger: Fix the StreamWriterTest
CLI: Fix logging setup
Bootstrap: Remove logging configuration directives which do not override defaults
logging config: Support 'log' 'none'
Merge branch 'master' into feature/setup-wizard-7163

Conflicts:
	application/forms/Config/General/LoggingConfigForm.php
Fix logging configuration installation

refs #7163
refs #6933
Fix that syslog or file config elements are not shown in case of no default