Add support Debian new stable release. Also including following changes: - update libthrift due to unable to compile on Debian 9 - drop dist/debian/supported_release since distribution check code moved to pbuilderrc - add libssl-dev for build-depends - add sudo for pbuilder extra packages (Debian doesn't have it by default install) Signed-off-by: syuu <syuu@dokukino.com> Signed-off-by: Takuya ASADA <syuu@scylladb.com> Message-Id: <1498047515-19972-1-git-send-email-syuu@scylladb.com>