Create README.markdown
Merge pull request #85 from fireweb/master

#76 more refactor to password reset and user search and user format
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Merge branch 'master' of github.com:xiongbo/railscasts
update readme
Update readme.md
Merge pull request #87 from xiongbo/master

finished 22r
Fixed #88
Merge branch 'master' of https://github.com/fireweb/railscasts
finished invitation Fixed #76