Updated French translation
Updated Romanian Translation
Updated Czech translation
Updated Polish translation
Update French translation
Update French translation
Updated Polish translation
fixed some compiler warnings
disable the gstreamer deprecated functions
removed use of g_mutex_new
removed use of gdk_threads_* functions
use a GtkGrid for the window layout
fixed computation of the resources dependency list
fixed crash when closing the cover chooser dialog
fixed the progress bar behavior when clicking on it
removed the volume button

the user can use the system volume controller to change the
volume.
implemented a GNOME 3 like interface
restore the previous state when skipping to another position
show the total album time at the bottom of the cover
fixed the window style when unfocused