Mipony 3.0.4, new version

List of changes:

-Improved stability.
-Fixed overwrite exported file.
-Fixed rename file did not selecte the old name.
-Fixed prevent computer sleep while downloading.
-State icons when minimized to the tray bar.
-Updated userscloud.
-Updated 1fichier.
-Updated mexashare.
-Updated yadi.sk.
-Updated datafile.com.
-Updated filespace.com.
-Updated upload4earn.
-Added nofile.io.
-Added file-up.org.
-Added uploadev.com.
-Added uploadproper.net.
-Added speed4up.com.
-Added direct download of pdf and mkv files.
-Updated Slovak language (thanks to Vladimir).
-Updated Italian translation (thanks to Max).