* t-encrypt.cpp, t-keylist.cpp, t-keylocate.cpp, t-ownertrust.cpp, t-tofuinfo.cpp, t-various.cpp, t-verify.cpp, t-wkspublish.cpp: Use QVERIFY instead of Q_ASSERT
* lang/qt/tests/t-verify.cpp: New. Small test if a signature returns a key with fingerprint. * lang/qt/tests/Makefile.am: Add new test.