[ref] generic_eventbrite helper
[add] Realize; fix #62
settings: enable auth and session middlewares in DEBUG mode

Needed to be able to use the admin interface.

Fixes #61
Merge pull request #64 from gdesmott/admin

settings: enable auth and session middlewares in DEBUG mode
[mod] trailing spaces
[fix] event brite urls are uniq
Merge branch 'realize'
[fix] filter events by agenda in ics/rss