add font for symbols in UI

add the libre font "FontAwesome" implementing unicode symbols

Change-Id: I4ca439fcd1768239b7bd62a768b92d17b86fdad9
Reviewed-by: Anthony Léonard <anthony.leonard@savoirfairelinux.com>

main.cpp

@@ -30,6 +30,7 @@
 #include <QThread>
 #include <QTranslator>
 #include <QLibraryInfo>
+#include <QFontDatabase>
 
 
 #ifdef Q_OS_WIN
@@ -161,5 +162,7 @@ main(int argc, char *argv[])
     });
 #endif
 
+    QFontDatabase::addApplicationFont(":/images/FontAwesome.otf");
+
     return a.exec();
 }

ressources.qrc

@@ -40,5 +40,6 @@
         <file>images/qrcode.png</file>
         <file>images/icons/ic_share_black_48dp_2x.png</file>
         <file>images/loading.gif</file>
+        <file>images/FontAwesome.otf</file>
     </qresource>
 </RCC>