Misc changed.
Effective to use jinja2.
Changed a structure to MVC like.
Finished a draft - oauth on twitter.
Enable to flash message with category.
Stop to use flask-rauth, because it's leaved to develop.
Start using rauth.
Enable to oauth login by twitter.
Change template after logged in.
Change oauth of twitter authorize to authenticate.
Http request changed to POST.
Complete oauth.
Merge pull request #5 from yymm/dev/oauth

[WIP] Dev/oauth