Checking in changes prior to tagging of version 0.08.

Changelog diff is:

diff --git a/Changes b/Changes
index 028a165..85643a6 100644
--- a/Changes
+++ b/Changes
@@ -2,6 +2,10 @@ Revision history for Perl extension OAuth::Lite2.

 {{$NEXT}}

+0.08 2014-06-03T07:54:41Z
+    - add support for two new grant types
+        - "urn:ietf:params:oauth:grant-type:federated-assertion" : obtain access_token from external service assertion
+
 0.07 2013-11-08T16:12:48Z
     - replace JSON to JSON::XS