diff -r ebdd1d769158 -r eb4f4eceada0 server/php/basic/public_html/static/lib/FileSaver/FileSaver.js
--- a/server/php/basic/public_html/static/lib/FileSaver/FileSaver.js	Fri Mar 18 14:15:23 2016 +0100
+++ b/server/php/basic/public_html/static/lib/FileSaver/FileSaver.js	Thu Mar 31 17:12:38 2016 +0200
@@ -1,9 +1,9 @@
 /* FileSaver.js
  * A saveAs() FileSaver implementation.
- * 1.1.20150716
+ * 1.1.20160328
  *
  * By Eli Grey, http://eligrey.com
- * License: X11/MIT
+ * License: MIT
  *   See https://github.com/eligrey/FileSaver.js/blob/master/LICENSE.md
  */
 
@@ -30,6 +30,7 @@
 			var event = new MouseEvent("click");
 			node.dispatchEvent(event);
 		}
+		, is_safari = /Version\/[\d\.]+.*Safari/.test(navigator.userAgent)
 		, webkit_req_fs = view.webkitRequestFileSystem
 		, req_fs = view.requestFileSystem || webkit_req_fs || view.mozRequestFileSystem
 		, throw_outside = function(ex) {
@@ -39,10 +40,8 @@
 		}
 		, force_saveable_type = "application/octet-stream"
 		, fs_min_size = 0
-		// See https://code.google.com/p/chromium/issues/detail?id=375297#c7 and
-		// https://github.com/eligrey/FileSaver.js/commit/485930a#commitcomment-8768047
-		// for the reasoning behind the timeout and revocation flow
-		, arbitrary_revoke_timeout = 500 // in ms
+		// the Blob API is fundamentally broken as there is no "downloadfinished" event to subscribe to
+		, arbitrary_revoke_timeout = 1000 * 40 // in ms
 		, revoke = function(file) {
 			var revoker = function() {
 				if (typeof file === "string") { // file is an object URL
@@ -51,11 +50,23 @@
 					file.remove();
 				}
 			};
-			if (view.chrome) {
-				revoker();
-			} else {
-				setTimeout(revoker, arbitrary_revoke_timeout);
+			/* // Take note W3C:
+			var
+			  uri = typeof file === "string" ? file : file.toURL()
+			, revoker = function(evt) {
+				// idealy DownloadFinishedEvent.data would be the URL requested
+				if (evt.data === uri) {
+					if (typeof file === "string") { // file is an object URL
+						get_URL().revokeObjectURL(file);
+					} else { // file is a File
+						file.remove();
+					}
+				}
 			}
+			;
+			view.addEventListener("downloadfinished", revoker);
+			*/
+			setTimeout(revoker, arbitrary_revoke_timeout);
 		}
 		, dispatch = function(filesaver, event_types, event) {
 			event_types = [].concat(event_types);
@@ -94,6 +105,19 @@
 				}
 				// on any filesys errors revert to saving with object URLs
 				, fs_error = function() {
+					if (target_view && is_safari && typeof FileReader !== "undefined") {
+						// Safari doesn't allow downloading of blob urls
+						var reader = new FileReader();
+						reader.onloadend = function() {
+							var base64Data = reader.result;
+							target_view.location.href = "data:attachment/file" + base64Data.slice(base64Data.search(/[,;]/));
+							filesaver.readyState = filesaver.DONE;
+							dispatch_all();
+						};
+						reader.readAsDataURL(blob);
+						filesaver.readyState = filesaver.INIT;
+						return;
+					}
 					// don't create more object URLs than needed
 					if (blob_changed || !object_url) {
 						object_url = get_URL().createObjectURL(blob);
@@ -102,7 +126,7 @@
 						target_view.location.href = object_url;
 					} else {
 						var new_tab = view.open(object_url, "_blank");
-						if (new_tab == undefined && typeof safari !== "undefined") {
+						if (new_tab === undefined && is_safari) {
 							//Apple do not allow window.open, see http://bit.ly/1kZffRI
 							view.location.href = object_url
 						}
@@ -127,9 +151,9 @@
 			}
 			if (can_use_save_link) {
 				object_url = get_URL().createObjectURL(blob);
-				save_link.href = object_url;
-				save_link.download = name;
 				setTimeout(function() {
+					save_link.href = object_url;
+					save_link.download = name;
 					click(save_link);
 					dispatch_all();
 					revoke(object_url);
@@ -249,7 +273,7 @@
 
 if (typeof module !== "undefined" && module.exports) {
   module.exports.saveAs = saveAs;
-} else if ((typeof define !== "undefined" && define !== null) && (define.amd != null)) {
+} else if ((typeof define !== "undefined" && define !== null) && (define.amd !== null)) {
   define([], function() {
     return saveAs;
   });