Version 3.2.3
fixed IE8-9,
changed default value for hide-on-drop-not-available to false.
removed input-file-... attributes from ng-file-select, now by default all the attributes of the original element will be copied to underlying input type file.
input-file-...="..." // if element is not input file the attributes prefix with (data-)input-file-
// will be added to underlying <input type="file"...> see #462.