Fix that FireFox < v33 is unable to find the button that got the focus
Check the mysql or pgsql extension instead of just pdo, really
Remove the POSIX requirement

refs #7163
Do not hardcode the php username dummy in Icinga\Application\Platform

refs #7163
Make sure that IDO is the default backend type if available

refs #7163
fixes #7604
Make it optional to define protected custom variables

fixes #7590
Do not check whether we are a super user

refs #7163
Ensure that the CLI successfully changed the group of the config directory

refs #7163