[1.6.x] Add missing disclosure information to security archive.

* Django 1.6 `(patch <https://github.com/django/django/commit/4352a50871e239ebcdf64eee6f0b88e714015c1b>`_)

* Django 1.7 `(patch <https://github.com/django/django/commit/546740544d7f69254a67b06a3fc7fa0c43512958>`_)

April 21, 2014 - CVE-2014-2014-0473

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`CVE-2014-0473 <http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2014-0473&cid=2>`_: Caching of anonymous pages could reveal CSRF token. `Full description <https://www.djangoproject.com/weblog/2014/apr/21/security/>`_

Versions affected

-----------------

* Django 1.4 `(patch <https://github.com/django/django/commit/1170f285ddd6a94a65f911a27788ba49ca08c0b0>`_)

* Django 1.5 `(patch <https://github.com/django/django/commit/6872f42757d7ef6a97e0b6ec5db4d2615d8a2bd8>`_)

* Django 1.6 `(patch <https://github.com/django/django/commit/d63e20942f3024f24cb8cd85a49461ba8a9b6736>`_)

* Django 1.7 `(patch <https://github.com/django/django/commit/380545bf85cbf17fc698d136815b7691f8d023ca>`_)

April 21, 2014 - CVE-2014-2014-0472

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`CVE-2014-0474 <http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2014-0474&cid=2>`_: MySQL typecasting causes unexpected query results. `Full description <https://www.djangoproject.com/weblog/2014/apr/21/security/>`_

Versions affected

-----------------

* Django 1.4 `(patch <https://github.com/django/django/commit/aa80f498de6d687e613860933ac58433ab71ea4b>`_)

* Django 1.5 `(patch <https://github.com/django/django/commit/985434fb1d6bf2335bf96c6ebf91c3674f1f399f>`_)

* Django 1.6 `(patch <https://github.com/django/django/commit/5f0829a27e85d89ad8c433f5c6a7a7d17c9e9292>`_)

* Django 1.7 `(patch <https://github.com/django/django/commit/34526c2f56b863c2103655a0893ac801667e86ea>`_)