Store load settings in URL fragment, not query string

src/atom.coffee

@@ -118,7 +118,7 @@ class Atom extends Model
 
   # Returns the load settings hash associated with the current window.
   @getLoadSettings: ->
-    @loadSettings ?= JSON.parse(decodeURIComponent(location.search.substr(14)))
+    @loadSettings ?= JSON.parse(decodeURIComponent(location.hash.substr(1)))
     cloned = _.deepClone(@loadSettings)
     # The loadSettings.windowState could be large, request it only when needed.
     cloned.__defineGetter__ 'windowState', =>

src/browser/atom-window.coffee

@@ -86,7 +86,7 @@ class AtomWindow
       protocol: 'file'
       pathname: "#{@resourcePath}/static/index.html"
       slashes: true
-      query: {loadSettings: JSON.stringify(loadSettings)}
+      hash: encodeURIComponent(JSON.stringify(loadSettings))
 
   hasProjectPath: -> @projectPaths?.length > 0