Merge remote-tracking branch 'amarx/firewall' into fifteen

diff --cc config/cfgroot/header.pl
Simple merge

diff --cc doc/language_issues.es
Simple merge

diff --cc doc/language_issues.fr
Simple merge

diff --cc doc/language_issues.nl
Simple merge

diff --cc doc/language_issues.pl
Simple merge

diff --cc doc/language_issues.ru
Simple merge

diff --cc doc/language_issues.tr
Simple merge

diff --cc doc/language_missings
Simple merge

diff --cc html/cgi-bin/ovpnmain.cgi
Simple merge

diff --cc langs/de/cgi-bin/de.pl
Simple merge

diff --cc langs/en/cgi-bin/en.pl
Simple merge