* Merge from debian unstable, remaining changes: - debian/changelog: Add some missing CVEs. - debian/control: DebianMaintainerField - debian/control, debian/rules: Disable a few build dependencies and accompanying binary packages which we do not want to support in main: + firebird2-dev/php5-interbase (we have a separate php-interbase source) + libc-client-dev/php5-imap (we have a separate php-imap source) + libmcrypt-dev/php5-mcrypt (separate php-mcrypt source)