Moved bulk document and user import to a separate chapter

docs/topics/initial_import.rst

@@ -0,0 +1,48 @@
+====================
+Initial data loading
+====================
+
+Bulk document import
+--------------------
+
+**Mayan EDMS** has the ability to individually upload the contents of compressed 
+files, however by nature of being a web based application it is bounded by the 
+limitations of the HTTP protocol, this imposes a limit on the file size and 
+the amount of time **Mayan EDMS** may keep a connection open while it processes 
+compressed files.  When the desired amount of documents is bigger than what 
+these limitations allow, **Mayan EDMS** provides a command line tool for out of 
+process document importation.
+
+The command line options for this feature are as follows::
+
+  $ ./manage.py bulk_upload --noinput --metadata '{"project": "bulk"}' --document_type "Accounting documents" compressed.zip 
+
+**Optional arguments**
+
+* The ``--noinput`` argument skips confirmation and starts the upload immediately.
+* The ``--metadata`` argument allows specifing what metadata will be assigned
+  to the documents when uploaded.
+* And the ``--document_type`` applies a previously defined 
+  document type to the uploaded documents.
+
+
+Bulk user import
+----------------
+
+As well as providing bulk document import functionality **Mayan EDMS** also
+includes a management command to import a large number users
+from a CSV file.  The command line options for this feature are as
+follow::
+
+  $ ./manage.py import_users --noinput --password=welcome123 --skip-repeated user_list.csv 
+
+The CSV field order must be: username, first name, last name and email, any other 
+column after those is ignored.
+
+**Optional arguments**
+
+* The ``--noinput`` argument skips confirmation and starts the import immediately.
+* The ``--password`` argument allows specifing what default password will be assigned
+  to all the new users that are imported.
+* The ``--skip-repeated`` tells the importedr to not stop when finding
+  that a user already exists in the database.