Issue 43 (#207)

* squach contents new branch

* source code explanations

* flake8

* change in requirements

* 	modified:   docs/source/code.rst
	modified:   docs/source/plugins.rst

* 	modified:   docs/source/code.rst
	modified:   pygeoapi/formatter/csv_.py
	modified:   pygeoapi/provider/geojson.py

* changes requred in review code

* 	modified:   .travis.yml
missing "

* change file to use requirements-dev.txt
	modified:   readthedocs.yml

* flask_cors removal from requirements.txt

* text changes

docs/source/code.rst

@@ -0,0 +1,219 @@
+.. _code:
+
+
+
+Code documentation
+==================
+
+Top level code documentation. Follow link in section for module/class member information
+
+
+API
+---
+
+
+.. automodule:: pygeoapi.api
+   :members:
+   :private-members:
+   :special-members:
+
+
+
+flask_app
+---------
+
+.. automodule:: pygeoapi.flask_app
+   :show-inheritance:
+   :members:
+   :private-members:
+   :special-members:
+   
+
+
+Logging
+-------
+
+
+.. automodule:: pygeoapi.log
+   :show-inheritance:
+   :members:
+   :private-members:
+   :special-members:
+   
+   
+   
+OpenAPI
+-------
+
+.. automodule:: pygeoapi.openapi
+   :show-inheritance:
+   :members:
+   :private-members:
+   :special-members:
+   
+   
+Plugins
+-------
+
+.. note:: Please consult section :ref:`plugins`
+
+
+.. automodule:: pygeoapi.plugin
+   :show-inheritance:
+   :members:
+   :private-members:
+   :special-members:
+   
+Utils
+-----
+
+.. automodule:: pygeoapi.util
+   :show-inheritance:
+   :members:
+   :private-members:
+   :special-members:
+   
+   
+Formatter package
+-----------------
+
+
+.. automodule:: pygeoapi.formatter
+   :show-inheritance:
+   :members:
+   :private-members:
+   :special-members:
+
+Base class
+^^^^^^^^^^
+.. automodule:: pygeoapi.formatter.base
+   :show-inheritance:
+   :members:
+   :private-members:
+   :special-members:
+
+
+csv
+^^^
+
+.. automodule:: pygeoapi.formatter.csv_
+   :show-inheritance:
+   :members:
+   :private-members:
+   :special-members:
+
+ 
+Process package
+---------------
+
+.. automodule:: pygeoapi.process
+   :show-inheritance:
+   :members:
+   :private-members:
+   :special-members:
+
+Base class
+^^^^^^^^^^
+
+.. automodule:: pygeoapi.process.base
+   :show-inheritance:
+   :members:
+   :private-members:
+   :special-members:
+
+hello_world
+^^^^^^^^^^^
+
+Hello world example process
+
+.. automodule:: pygeoapi.process.hello_world
+   :show-inheritance:
+   :members:
+   :private-members:
+   :special-members:
+   
+.. _data Provider:
+
+Provider
+--------
+
+
+
+.. automodule:: pygeoapi.provider
+   :show-inheritance:
+   :members:
+   :private-members:
+   :special-members:
+
+
+
+Base class
+^^^^^^^^^^
+
+.. automodule:: pygeoapi.provider.base
+   :show-inheritance:
+   :members:
+   :private-members:
+   :special-members:
+   
+
+CSV provider
+^^^^^^^^^^^^
+
+.. automodule:: pygeoapi.provider.csv_
+   :show-inheritance:
+   :members:
+   :private-members:
+   
+Elastic provider
+^^^^^^^^^^^^^^^^
+
+.. automodule:: pygeoapi.provider.elasticsearch_
+   :show-inheritance:
+   :members:
+   :private-members:
+   
+   
+GeoJSON
+^^^^^^^
+
+.. automodule:: pygeoapi.provider.geojson
+   :show-inheritance:
+   :members:
+   :private-members:
+
+
+GeoPackage
+^^^^^^^^^^
+
+.. automodule:: pygeoapi.provider.geopackage
+   :show-inheritance:
+   :members:
+   :private-members:
+   
+   
+OGR
+^^^
+
+.. automodule:: pygeoapi.provider.ogr
+   :show-inheritance:
+   :members:
+   :private-members:
+   
+
+postgresql
+^^^^^^^^^^
+
+.. automodule:: pygeoapi.provider.postgresql
+   :show-inheritance:
+   :members:
+   :private-members:
+   
+   
+sqlite
+^^^^^^
+
+.. automodule:: pygeoapi.provider.sqlite
+   :show-inheritance:
+   :members:
+   :private-members: