travis-ci: handle problems (new warnings) with CGI 4.05
cgi scripts/modules: avoid calling param() in list context

Using the new list-context warnings in CGI 4.05, add "scalar" to some
calls of CGI::param().
data update (minor)
Merge remote-tracking branch 'eserte/master' into world

Conflicts:
	BBBikeCGI/API.pm
data update (minor)
Merge remote-tracking branch 'eserte/master' into world
run git merge with flag "--no-edit"
Merge branch 'world' of ssh://git.bbbike.org/home/git/bbbike into world