ADIF v3.1.1 compliance

Note that FST4 QSOs are logged with MODE=MFSK and SUBMODE=FST4. The
new bands 8m and 5m are recognized. The ADIF header is expanded with
program and time stamp information.

logbook/WorkedBefore.cpp

@@ -19,7 +19,9 @@
 #include <QFileInfo>
 #include <QFile>
 #include <QTextStream>
+#include <QDateTime>
 #include "Configuration.hpp"
+#include "revision_utils.hpp"
 #include "qt_helpers.hpp"
 #include "pimpl_impl.hpp"
 
@@ -442,7 +444,18 @@ bool WorkedBefore::add (QString const& call
           QTextStream out {&file};
           if (!file.size ())
             {
-              out << "WSJT-X ADIF Export<eoh>" << // new file
+              auto ts = QDateTime::currentDateTimeUtc ().toString ("yyyyMMdd HHmmss");
+              auto ver = version (true);
+              out <<            // new file
+                QString {
+                  "ADIF Export\n"
+                  "<adif_ver:5>3.1.1\n"
+                  "<created_timestamp:15>%0\n"
+                  "<programid:6>WSJT-X\n"
+                  "<programversion:%1>%2\n"
+                  "<eoh>"
+                    }.arg (ts).arg (ver.size ()).arg (ver)
+                  <<
 #if QT_VERSION < QT_VERSION_CHECK(5, 15, 0)
                  endl
 #else

logbook/logbook.cpp

@@ -79,7 +79,7 @@ QByteArray LogBook::QSOToADIF (QString const& hisCall, QString const& hisGrid, Q
   QString t;
   t = "<call:" + QString::number(hisCall.size()) + ">" + hisCall;
   t += " <gridsquare:" + QString::number(hisGrid.size()) + ">" + hisGrid;
-  if (mode != "FT4")
+  if (mode != "FT4" && mode != "FST4")
     {
       t += " <mode:" + QString::number(mode.size()) + ">" + mode;
     }

models/Bands.cpp

@@ -28,7 +28,9 @@ namespace
     {"15m",   21000000u,  	21450000u},
     {"12m",   24890000u,  	24990000u},
     {"10m",   28000000u,  	29700000u},
+    {"8m",  	40000000u,  	45000000u},
     {"6m",  	50000000u,  	54000000u},
+    {"5m",  	54000001u,  	69900000u},
     {"4m",  	70000000u,  	71000000u},
     {"2m",  	144000000u,   148000000u},
     {"1.25m", 222000000u,   225000000u},