added Common namespace. cli: use settings instead of env for db path

gui/main.cpp

@@ -1,13 +1,13 @@
-#include "mainwindow.h"
 #include <QApplication>
 #include <QSettings>
+#include "mainwindow.h"
 #include "searchresult.h"
 #include "pdfpreview.h"
+#include "../shared/common.h"
+
 int main(int argc, char *argv[])
 {
-	QCoreApplication::setOrganizationName("quitesimple.org");
-	QCoreApplication::setOrganizationDomain("quitesimple.org");
-	QCoreApplication::setApplicationName("qss");
+	Common::setupAppInfo();
 	QApplication a(argc, argv);
 	qRegisterMetaType<QVector<SearchResult>>("QVector<SearchResult>");
 	qRegisterMetaType<QVector<PdfPreview>>("QVector<PdfPreview>");