DOC: How to update Roundcube to version 1.6.14 (fixes 8 security vulnerabilities)

[nu01]

& as usual to check the version:

grep RCMAIL_VERSION /var/lib/roundcube/program/include/iniset.php | cut -d "'" -f 4

DOC: How to update Roundcube to version 1.6.13 (fixes 2 security vulnerabilities)

Check your current version as grep RCMAIL_VERSION /var/lib/roundcube/program/include/iniset.php | cut -d "'" -f 4