git commit: docs: Update upgrade notes.

[to...@apache.org]

Updated Branches:
  refs/heads/trunk f35a21d6d -> c27d46a7e


docs: Update upgrade notes.


Project: http://git-wip-us.apache.org/repos/asf/libcloud/repo
Commit: http://git-wip-us.apache.org/repos/asf/libcloud/commit/c27d46a7
Tree: http://git-wip-us.apache.org/repos/asf/libcloud/tree/c27d46a7
Diff: http://git-wip-us.apache.org/repos/asf/libcloud/diff/c27d46a7

Branch: refs/heads/trunk
Commit: c27d46a7e5a1fd000e1a4d8e2d76932c5f3df022
Parents: f35a21d
Author: Tomaz Muraus <to...@apache.org>
Authored: Tue Oct 15 11:13:25 2013 +0200
Committer: Tomaz Muraus <to...@apache.org>
Committed: Tue Oct 15 11:13:25 2013 +0200

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 docs/upgrade_notes.rst | 10 ++++++++++
 1 file changed, 10 insertions(+)
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http://git-wip-us.apache.org/repos/asf/libcloud/blob/c27d46a7/docs/upgrade_notes.rst
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diff --git a/docs/upgrade_notes.rst b/docs/upgrade_notes.rst
index dd5abd0..6f60829 100644
--- a/docs/upgrade_notes.rst
+++ b/docs/upgrade_notes.rst
@@ -185,6 +185,16 @@ more pleasant to use. Backward incompatible changes are listed bellow:
 * ``CloudStackForwardingRule`` class has been renamed to
   ``CloudStackIPForwardingRule``
 
+Unification of extension arguments for security group handling in the EC2 driver
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+To unify extension arguments for handling security groups between drivers,
+``ex_securitygroup`` argument in the EC2 ``create_node`` method has been
+renamed to ``ex_security_groups``.
+
+For backward compatibility reasons, old argument will continue to work for
+until a next major release.
+
 CloudFiles Storage driver changes
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~