crashhandler: include git commit hash with crash report

app/common/crashhandler.cpp

@@ -49,7 +49,7 @@ void crash_handler(int sig)
   output.open(QFile::WriteOnly);
   QTextStream ostream(&output);
 
-  ostream << "Signal: " << sig << "\n\n";
+  ostream << "Version: " << GITHASH << "\nSignal: " << sig << "\n\n";
 
 #if defined(Q_OS_WINDOWS)
   // Use Windows stackwalk API

app/dialog/crashhandler/crashhandler.cpp

@@ -46,7 +46,6 @@ CrashHandlerDialog::CrashHandlerDialog(const char *log_file)
   edit->append(QStringLiteral("Run Environment: %1").arg(QSysInfo::currentCpuArchitecture()));
   edit->append(QStringLiteral("Kernel: %1 %2").arg(QSysInfo::kernelType(), QSysInfo::kernelVersion()));
   edit->append(QStringLiteral("System: %1 (%2 %3)").arg(QSysInfo::prettyProductName(), QSysInfo::productType(), QSysInfo::productVersion()));
-  edit->append(QStringLiteral("Version: %1").arg(GITHASH);
   edit->append(QString());
 
   QDialogButtonBox* buttons = new QDialogButtonBox();