create core utils, add set context data use on generic views (Opps)
move set_context_data to core.utils, clean views
Include menu on template post list
create template channel none
render not set home page
Fix channel url opps list, /$
Refactor opps list article views, set long_slog on self
Refactor opps Ddetail article views, set long_slog on self
Add feature article template  deafult
sample: articles/channel-slug/aticle-slug.html
articles/channel-slug/sub-channel-slug/aticle-slug.html
Merge branch 'master' of github.com:oppsproject/opps