fix smaller issues in imap class mail controller list contents of mailbox read mails
add imap class to access captured emails add mail controller to framework (display content)
to use crt login, a string which resembles parts of the crt cn and dn needs to exist in an system_user record. The string is combined from SSL_CLIENT_S_DN and SSL_CLIENT_I_DN: SSL_CLIENT_S_DN + "//" + SSL_CLIENT_I_DN
enabled features * login * crt login * top / left menu * logging * db layer
