Add a onPageFallBackUrl event when starting the fallbackUrl() method

Use case: allow to password-protect page media too via the Login plugin

CHANGELOG.md

@@ -1,3 +1,12 @@
+# v1.1.0-rc.3
+## 06/xx/2016
+
+1. [](#new)
+    * Add a onPageFallBackUrl event when starting the fallbackUrl() method to allow the Login plugin to protect the page media
+1. [](#bugfix)
+    * Respect `enable_asset_timestamp` settings for pipelined Assets [#906](https://github.com/getgrav/grav/issues/906)
+    * Fixed collections end dates for 32-bit systems [#902](https://github.com/getgrav/grav/issues/902)
+    
 # v1.1.0-rc.2
 ## 06/14/2016
 

system/src/Grav/Common/Grav.php

@@ -446,6 +446,8 @@ class Grav extends Container
      */
     public function fallbackUrl($path)
     {
+      	$this->fireEvent('onPageFallBackUrl');
+        
         /** @var Uri $uri */
         $uri = $this['uri'];