Update Frontcooking name

Frisch aus dem Wok -> Frontcooking
Merge pull request #1 from jplitza/patch-1

Update Frontcooking name
Support regular expression for name matching

If `$mensa_match[$foo]['name']` has the format "/something/", it is now
interpreted as a regular expression and the corresponding column is
matched against it *in addition to* the equality matching (===).
config: update label for date row