tiny layout changes
remove unused files
fix: "German" and "German (Germany)" were missing in list of languages
imprint link
add hint about password security
feed checker: add missing condition for query
i18n update from Transifex
add a "keep me logged in" feature (copied from OpenThesaurus code)
don't kill user session just because the login page is displayed
link feed matches
small code cleanup
syntax fix
layout fix
feed checker: add hint about spell checking not being activated