Only show basename in file input field instead of full path

LICENSE

@@ -1,6 +1,7 @@
 The MIT License (MIT)
 Copyright (c) 2015 nokonoko
 Copyright (c) 2016 PA BANDINELLI, HéliApps SAS
+Copyright (c) 2017 Les De Ridder, fuwafuwa.moe
 Permission is hereby granted, free of charge, to any person obtaining a copy of
 this software and associated documentation files (the "Software"), to deal in
 the Software without restriction, including without limitation the rights to