Added styling to show settings headers can be clicked.
Merge pull request #1130 from tugelbend/master

new default avatar by Andi Stadler
Merge pull request #1128 from Beanow/hotfix/settings-styling

Added styling to show settings headers can be clicked.
fix update routine to support update from 3.2
disable PDO support
fix email to new registerd users.
fix notification in case of error sending email.
Merge pull request #1131 from fabrixxm/master

Bug fixes!
added cc license to default avatar