* lang/qt/src/signarchivejob.cpp, lang/qt/src/signarchivejob.h,
lang/qt/src/signarchivejob_p.h,
lang/qt/src/qgpgmesignarchivejob.cpp,
lang/qt/src/qgpgmesignarchivejob.h: New.
* lang/qt/src/protocol.h (class Protocol): Add pure virtual member
function signArchiveJob
* lang/qt/src/protocol_p.h (Protocol::signArchiveJob): ... and
implement it.
* lang/qt/src/Makefile.am: Update accordingly.
* lang/qt/tests/run-signarchivejob.cpp: New.
* lang/qt/tests/Makefile.am: Add new test runner.