add packages
create new app for sync rss
create model for syncrss
add admin.py for syncrss
add init settings for celery
add celery tasks update_rss
add sync_date to celery tasks
correct task update_rss
add fields to model
simpy add RawRssItem to template
add django-redis-cache
Merge pull request #12 from axce1/sync_rss

sync rss