docs: added release notes for 4.9.1

docs/release-notes/release-notes-4.9.1.rst

@@ -0,0 +1,54 @@
+|RCE| 4.9.1 |RNS|
+-----------------
+
+Release Date
+^^^^^^^^^^^^
+
+- 2017-10-26
+
+
+New Features
+^^^^^^^^^^^^
+
+
+
+General
+^^^^^^^
+
+
+
+Security
+^^^^^^^^
+
+- security(critical): repo-forks: fix issue when forging fork_repo_id parameter
+  could allow reading other people forks.
+- security(high): auth: don't expose full set of permissions into channelstream
+  payload. Forged requests could return list of private repositories in the system.
+- security(medium): general-security: limit the maximum password input length
+  to 72 characters.
+- security(medium): select2: always escape .text attributes to prevent XSS
+  via branches or tags names.
+
+
+
+Performance
+^^^^^^^^^^^
+
+- git: improve performance and reduce memory usage on large clones.
+
+
+
+Fixes
+^^^^^
+
+
+- user-groups: fix potential problem with ldap group sync in external auth plugins.
+
+
+
+Upgrade notes
+^^^^^^^^^^^^^
+
+- This release changes the maximum allowed input password to 72 characters. This
+  prevent resource consumption attack. If you need longer password than 72
+  characters please contact our team.

docs/release-notes/release-notes.rst

@@ -9,6 +9,7 @@ Release Notes
 .. toctree::
    :maxdepth: 1
 
+   release-notes-4.9.1.rst
    release-notes-4.9.0.rst
    release-notes-4.8.0.rst
    release-notes-4.7.2.rst