improve code docstrings and Sphinx documentation

ippisite/docs/source/conf.py

ippisite/ippidb/__init__.py

ippisite/ippidb/admin.py

ippisite/ippidb/apps.py

ippisite/ippidb/forms.py

ippisite/ippidb/gx.py

ippisite/ippidb/management/__init__.py

ippisite/ippidb/migrations/__init__.py

ippisite/ippidb/models.py

ippisite/ippidb/static/jquery/jquery.js

ippisite/ippidb/templatetags/__init__.py

ippisite/ippidb/tests.py

ippisite/ippidb/urls.py

ippisite/ippidb/utils.py

ippisite/ippidb/views.py

ippisite/ippidb/ws.py