adds missing table prefix in MySQL Blob fix
code formatting
fixes dead link in doc
settling on Ciconia 1.0.3

URL bugs should not affect anyone but Schlaefer, so it's not worth to
hassle with dev dependency; update if available #258
install composer with dev in Travic-CI
removes deprecated JS warning

is replaced by global banner
l10n
show disclaimer on users/contact/0
adds backlinks to /users/contact
i18n decimal divider in generation time
closes advanced email address configuration #223
fixes requirement indicator CSS
better page header on error messages
docs
increase click target on mMAR-Button
tuned header nav
Merge branch 'release/4.0.0' into develop