Incorporate @Macrobb metadata widget and content visual changes.

GitLab issue #378

Signed-off-by: Roberto Rosario <roberto.rosario.gonzalez@gmail.com>

docs/releases/3.0.rst

@@ -0,0 +1,75 @@
+=============================
+Mayan EDMS v3.0 release notes
+=============================
+
+Released: XX XX, 2017
+
+What's new
+==========
+
+
+Other changes
+-------------
+- Metadat widget appearance changes
+- Content windows appearance changes
+
+Removals
+--------
+- None
+
+Upgrading from a previous version
+---------------------------------
+
+If installed via PIP
+~~~~~~~~~~~~~~~~~~~~
+
+Type in the console::
+
+    $ pip install -U mayan-edms
+
+the requirements will also be updated automatically.
+
+If installed using Git
+~~~~~~~~~~~~~~~~~~~~~~
+
+If you installed Mayan EDMS by cloning the Git repository issue the commands::
+
+    $ git reset --hard HEAD
+    $ git pull
+
+otherwise download the compressed archived and uncompress it overriding the
+existing installation.
+
+Manually upgrade/add the new requirements::
+
+    $ pip install --upgrade -r requirements.txt
+
+Remove deprecated requirements::
+
+    $ pip uninstall -y -r removals.txt
+
+Common steps
+~~~~~~~~~~~~
+
+Migrate existing database schema with::
+
+    $ mayan-edms.py performupgrade
+
+Add new static media::
+
+    $ mayan-edms.py collectstatic --noinput
+
+The upgrade procedure is now complete.
+
+
+Backward incompatible changes
+=============================
+
+* None
+
+Bugs fixed or issues closed
+===========================
+
+* `GitLab issue #378 <https://gitlab.com/mayan-edms/mayan-edms/issues/378>`_ Add metadata widget changes from @Macrobb
+
+.. _PyPI: https://pypi.python.org/pypi/mayan-edms/