Merge pull request #873 from NicoleRauch/master

Simplified footer, added count of interested people on homepage to footer
repaired the credits for "simple-configure"
selecting only the first found link may be too defensive
fixing problem when more than one delete dialog is on same page
more strings externalized (SoCraTes)
unified spelling of e-mail in translation files
minor fixes in layouts
Merge pull request #874 from leider/master

ein bunter Strauß voller Kleinigkeiten
Now we exit the process only after closing the DB. (also increasing the retry delay)