add gem: pry, pry-nav
link to wiki for detailed tech stack decision
Merge pull request #97 from doitian/doc/link-tech-stack-to-wiki

[文档] link to wiki for detailed tech stack decision
clear codebase D:users views ref #95
delete password confirmation text field ref #84
Merge pull request #99 from richard-ma/enhancement/84-merge-pwd-and-pwdconfirm

delete password confirmation text field ref #84
Merge pull request #98 from richard-ma/enhancement/95-clear-code-base

clear codebase D:users views ref #95
add user.login validates ref #100
将FactoryGirl 的方法混入 RSpec，简化测试代码的输入
Add simple user fixture
Refs #81 Add integration test for registration
change_homepage_to_chinese #50
Refs #81 Improve factories for user
Refs #81 Add user model validtion with unit test
Refs #81 Improve integration test for user registration
Refs #81 password_confirmation is not required anymore, get rid of it.
Merge pull request #102 from sailorhero/feature/50-change-homepage-to-chinese

修改首页title，#50
add db:test:prepare to setup rake. #103.
Merge pull request #91 from nightire/feature/feature-spec-for-registration

Feature/feature spec for registration
Merge branch 'feature/100-add-login-validations' of github.com:richard-ma/19wu into richard-ma-feature/100-add-login-validations