Initial checkin of gpgmepp sources

Based on git.kde.org/pim/gpgmepp rev. 0e3ebc02

• lang/cpp/src/assuanresult.cpp, lang/cpp/src/assuanresult.h, lang/cpp/src/callbacks.cpp, lang/cpp/src/callbacks.h, lang/cpp/src/configuration.cpp, lang/cpp/src/configuration.h, lang/cpp/src/context.cpp, lang/cpp/src/context.h, lang/cpp/src/context_glib.cpp, lang/cpp/src/context_p.h, lang/cpp/src/context_qt.cpp, lang/cpp/src/context_vanilla.cpp, lang/cpp/src/data.cpp, lang/cpp/src/data.h, lang/cpp/src/data_p.h, lang/cpp/src/decryptionresult.cpp, lang/cpp/src/decryptionresult.h, lang/cpp/src/defaultassuantransaction.cpp, lang/cpp/src/defaultassuantransaction.h, lang/cpp/src/editinteractor.cpp, lang/cpp/src/editinteractor.h, lang/cpp/src/encryptionresult.cpp, lang/cpp/src/encryptionresult.h, lang/cpp/src/engineinfo.cpp, lang/cpp/src/engineinfo.h, lang/cpp/src/error.h, lang/cpp/src/eventloopinteractor.cpp, lang/cpp/src/eventloopinteractor.h, lang/cpp/src/exception.cpp, lang/cpp/src/exception.h, lang/cpp/src/global.h, lang/cpp/src/gpgadduserideditinteractor.cpp, lang/cpp/src/gpgadduserideditinteractor.h, lang/cpp/src/gpgagentgetinfoassuantransaction.cpp, lang/cpp/src/gpgagentgetinfoassuantransaction.h, lang/cpp/src/gpgmefw.h, lang/cpp/src/gpgmepp_export.h, lang/cpp/src/gpgsetexpirytimeeditinteractor.cpp, lang/cpp/src/gpgsetexpirytimeeditinteractor.h, lang/cpp/src/gpgsetownertrusteditinteractor.cpp, lang/cpp/src/gpgsetownertrusteditinteractor.h, lang/cpp/src/gpgsignkeyeditinteractor.cpp, lang/cpp/src/gpgsignkeyeditinteractor.h, lang/cpp/src/importresult.cpp, lang/cpp/src/importresult.h, lang/cpp/src/key.cpp, lang/cpp/src/key.h, lang/cpp/src/keygenerationresult.cpp, lang/cpp/src/keygenerationresult.h, lang/cpp/src/keylistresult.cpp, lang/cpp/src/keylistresult.h, lang/cpp/src/notation.h, lang/cpp/src/result.h, lang/cpp/src/result_p.h, lang/cpp/src/scdgetinfoassuantransaction.cpp, lang/cpp/src/scdgetinfoassuantransaction.h, lang/cpp/src/signingresult.cpp, lang/cpp/src/signingresult.h, lang/cpp/src/trustitem.cpp, lang/cpp/src/trustitem.h, lang/cpp/src/util.h, lang/cpp/src/verificationresult.cpp, lang/cpp/src/verificationresult.h, lang/cpp/src/vfsmountresult.cpp, lang/cpp/src/vfsmountresult.h, lang/cpp/src/interfaces/assuantransaction.h, lang/cpp/src/interfaces/dataprovider.h, lang/cpp/src/interfaces/passphraseprovider.h, lang/cpp/src/interfaces/progressprovider.h: New.