Template: fix timestamp(), fix comments, add plural_ru() function; hinter: remove dead code

hinter.js

@@ -523,8 +523,6 @@ SimpleAutocomplete.prototype.onKeyPress = function(ev)
 // Called when input receives focus
 SimpleAutocomplete.prototype.onInputFocus = function()
 {
-    if (this.disabledUntil)
-        this.enable();
     this.show();
     this.input.autocomplete = 'off';
     this.hasFocus = true;