BrowserStorage: Use path to make unique item names for non-file URIs

Previously, we were only using the path to disambiguate files on a file:// URI. That meant that all wikis on tiddlywiki.com was sharing the same pool of local storage...

plugins/tiddlywiki/browser-storage/rawmarkup.js

@@ -23,7 +23,7 @@ if(Object.prototype.hasOwnProperty.call($tw.hooks.names,hookName)) {
 
 // Load tiddlers from browser storage
 function hookBootTiddlersLoaded() {
-	var url = window.location.protocol === "file:" ? window.location.pathname : "",
+	var url = window.location.pathname,
 		log = [];
 	// Step through each browsder storage item
 	for(var index=0; index<window.localStorage.length; index++) {

plugins/tiddlywiki/browser-storage/startup.js

@@ -26,8 +26,7 @@ var SAVE_FILTER_TITLE = "$:/config/BrowserStorage/SaveFilter",
 exports.startup = function() {
 	var self = this;
 	// Compute our prefix for local storage keys
-	var url = window.location.protocol === "file:" ? window.location.pathname : "",
-		prefix = "tw5#" + url + "#";
+	var prefix = "tw5#" + window.location.pathname + "#";
 	// Make a logger
 	var logger = new $tw.utils.Logger("browser-storage",{
 			colour: "cyan"