Translates all (leftovers) found using a custom regex, in directories not
shown by /bin/find-german-comments and beginning with "f".

Additionally:
- Fixed translation in formula/source/ui/dlg/funcutl.cxx (translated in
https://gerrit.libreoffice.org/gitweb?p=core.git;a=commitdiff;h=5e04331fc0a6434c61d3d18843cb4f80a44e5989 ),
because clearing an event is quite the opposite of its triggering.

Change-Id: I0fd62193a29883796cd05e5a80ce8a2900636b6c
Reviewed-on: https://gerrit.libreoffice.org/37839Reviewed-by: Chris Sherlock <chris.sherlock79@gmail.com>
Tested-by: Chris Sherlock <chris.sherlock79@gmail.com>