Switch to preparestatic (Closes: #593)

collectstatic failes on various test suite files which are not needed to
install Mayan EDMS. Switch over to preparestatic, which contains a
predefined ignore list.

docs/chapters/deploying.rst

@@ -82,7 +82,7 @@ Collect the static files:
 ::
 
     sudo -u mayan MAYAN_MEDIA_ROOT=/opt/mayan-edms/media \
-    /opt/mayan-edms/bin/mayan-edms.py collectstatic --noinput
+    /opt/mayan-edms/bin/mayan-edms.py preparestatic --noinput
 
 Create the supervisor file at ``/etc/supervisor/conf.d/mayan.conf``:
 --------------------------------------------------------------------
@@ -244,7 +244,7 @@ Collect the static files:
 ::
 
     sudo -u mayan MAYAN_MEDIA_ROOT=/opt/mayan-edms/media \
-    /opt/mayan-edms/bin/mayan-edms.py collectstatic --noinput
+    /opt/mayan-edms/bin/mayan-edms.py preparestatic --noinput
 
 Create the RabbitMQ user and vhost:
 -----------------------------------

docs/releases/3.2.rst

@@ -81,7 +81,7 @@ Migrate existing database schema with::
 
 Add new static media::
 
-    $ mayan-edms.py collectstatic --noinput
+    $ mayan-edms.py preparestatic --noinput
 
 The upgrade procedure is now complete.
 

docs/topics/faq.rst

@@ -185,7 +185,7 @@ Django's development server doesn't serve static files unless the DEBUG option
 is set to True, this mode of operation should only be used for development or
 testing. For production deployments the management command::
 
-    $ mayan-edms.py collectstatic
+    $ mayan-edms.py preparestatic
 
 should be used and the resulting static folder served from a webserver.
 For more information check the