[l10n] Updated Estonian translation
[l10n] Updated Estonian translation

pwithnall/libgdata,Pecisk/libgdata,pwithnall/libgdata,Distrotech/libgdata,Distrotech/libgdata,Pecisk/libgdata,Pecisk/libgdata-gtasks,GNOME/libgdata,Pecisk/libgdata,Distrotech/libgdata,Pecisk/libgdata-gtasks,Pecisk/libgdata-gtasks