* lang/qt/src/signencryptarchivejob.cpp,
lang/qt/src/signencryptarchivejob.h,
lang/qt/src/signencryptarchivejob_p.h,
lang/qt/src/qgpgmesignencryptarchivejob.cpp,
lang/qt/src/qgpgmesignencryptarchivejob.h: New.
* lang/qt/src/protocol.h (class Protocol): Add pure virtual member
function signEncryptArchiveJob
* lang/qt/src/protocol_p.h (Protocol::signEncryptArchiveJob): ... and
implement it.
* lang/qt/src/Makefile.am: Update accordingly.
* lang/qt/tests/run-encryptarchivejob.cpp (displayName): Remove.
(CommandLineOptions): Initialize member armor. Add member sign.
(parseCommandLine): Update application description. Add and parse option
-s/--sign.
(main): Use SignEncryptArchiveJob if sign option is set.