[1.7.x] Minor edits to latest release notes.

Backport of 860d31ac from master

docs/releases/1.4.13.txt

-==========================
+===========================
 Django 1.4.13 release notes
-==========================
+===========================
 
-*May 13, 2014*
+*May 14, 2014*
 
 Django 1.4.13 fixes two security issues in 1.4.12.
 
-
 Caches may incorrectly be allowed to store and serve private data
 =================================================================
+
 In certain situations, Django may allow caches to store private data
 related to a particular session and then serve that data to requests
-with a different session, or no session at all. This can both lead to
-information disclosure, and can be a vector for cache poisoning.
+with a different session, or no session at all. This can lead to
+information disclosure and can be a vector for cache poisoning.
 
 When using Django sessions, Django will set a ``Vary: Cookie`` header to
 ensure caches do not serve cached data to requests from other sessions.
@@ -22,15 +22,15 @@ Explorer 6, and Internet Explorer 7 if run on Windows XP or Windows Server
 types. Therefore, Django would remove the header if the request was made by
 Internet Explorer.
 
-To remedy this, the special behaviour for these older Internet Explorer versions
+To remedy this, the special behavior for these older Internet Explorer versions
 has been removed, and the ``Vary`` header is no longer stripped from the response.
 In addition, modifications to the ``Cache-Control`` header for all Internet Explorer
-requests with a ``Content-Disposition`` header, have also been removed as they
+requests with a ``Content-Disposition`` header have also been removed as they
 were found to have similar issues.
 
-
 Malformed redirect URLs from user input not correctly validated
 ===============================================================
+
 The validation for redirects did not correctly validate some malformed URLs,
 which are accepted by some browsers. This allows a user to be redirected to
 an unsafe URL unexpectedly.

docs/releases/1.5.8.txt

@@ -2,17 +2,17 @@
 Django 1.5.8 release notes
 ==========================
 
-*May 13, 2014*
-
-Django 1.5.8  fixes two security issues in 1.5.8.
+*May 14, 2014*
 
+Django 1.5.8 fixes two security issues in 1.5.8.
 
 Caches may incorrectly be allowed to store and serve private data
 =================================================================
+
 In certain situations, Django may allow caches to store private data
 related to a particular session and then serve that data to requests
-with a different session, or no session at all. This can both lead to
-information disclosure, and can be a vector for cache poisoning.
+with a different session, or no session at all. This can lead to
+information disclosure and can be a vector for cache poisoning.
 
 When using Django sessions, Django will set a ``Vary: Cookie`` header to
 ensure caches do not serve cached data to requests from other sessions.
@@ -22,15 +22,15 @@ Explorer 6, and Internet Explorer 7 if run on Windows XP or Windows Server
 types. Therefore, Django would remove the header if the request was made by
 Internet Explorer.
 
-To remedy this, the special behaviour for these older Internet Explorer versions
+To remedy this, the special behavior for these older Internet Explorer versions
 has been removed, and the ``Vary`` header is no longer stripped from the response.
 In addition, modifications to the ``Cache-Control`` header for all Internet Explorer
-requests with a ``Content-Disposition`` header, have also been removed as they
+requests with a ``Content-Disposition`` header have also been removed as they
 were found to have similar issues.
 
-
 Malformed redirect URLs from user input not correctly validated
 ===============================================================
+
 The validation for redirects did not correctly validate some malformed URLs,
 which are accepted by some browsers. This allows a user to be redirected to
 an unsafe URL unexpectedly.

docs/releases/1.6.5.txt

@@ -4,14 +4,15 @@ Django 1.6.5 release notes
 
 *May 14, 2014*
 
-Django 1.6.5 fixes two security issues and several several bugs in 1.6.4.
+Django 1.6.5 fixes two security issues and several bugs in 1.6.4.
 
 Issue: Caches may incorrectly be allowed to store and serve private data
 ========================================================================
+
 In certain situations, Django may allow caches to store private data
 related to a particular session and then serve that data to requests
-with a different session, or no session at all. This can both lead to
-information disclosure, and can be a vector for cache poisoning.
+with a different session, or no session at all. This can lead to
+information disclosure and can be a vector for cache poisoning.
 
 When using Django sessions, Django will set a ``Vary: Cookie`` header to
 ensure caches do not serve cached data to requests from other sessions.
@@ -21,15 +22,15 @@ Explorer 6, and Internet Explorer 7 if run on Windows XP or Windows Server
 types. Therefore, Django would remove the header if the request was made by
 Internet Explorer.
 
-To remedy this, the special behaviour for these older Internet Explorer versions
+To remedy this, the special behavior for these older Internet Explorer versions
 has been removed, and the ``Vary`` header is no longer stripped from the response.
 In addition, modifications to the ``Cache-Control`` header for all Internet Explorer
-requests with a ``Content-Disposition`` header, have also been removed as they
+requests with a ``Content-Disposition`` header have also been removed as they
 were found to have similar issues.
 
-
 Issue: Malformed redirect URLs from user input not correctly validated
 ======================================================================
+
 The validation for redirects did not correctly validate some malformed URLs,
 which are accepted by some browsers. This allows a user to be redirected to
 an unsafe URL unexpectedly.