added requirements file; added requirement 'Django'
requirements: specified Django version < 1.5
splangotags.HypNode.render: commented out unreachable return statements
code reformatted according to PEP8 and PEP257
imports: removed unused; formatted; changed splango's to relative
urls: changed deprecated import of django.conf.urls
logging: tidied up based in 1e8f3eb of github.com/c-oreills/Splango
splango: moved function 'replace_insensitive' into new module 'utils'.
splango: moved method RequestExperimentManager.is_first_visit into module 'utils'.
changed many variables and parameters with obscure names; added TODOs.
changed many variables and parameters with obscure names
setup: minimal PEP8 fix
models.GoalRecord: removed ``null=True`` from string-based fields.

See https://docs.djangoproject.com/en/dev/ref/models/fields/#null
for more information.
urls: changed url names to underscore_separated convention
urls: changed kwarg 'view' in all calls of 'url' from string to real function object.
added project 'example' with one app 'myapp'
example.urls: enabled 'admin'; added 'splango'.
example.settings: cleaned up a lot; added splango; basic configuration.
added some doctrings for splango.models and splango.views
added .gitignore