Update README.md
first commit
Merge pull request #13 from williamherry/master

make readme more clear
vincent178 pull request
Merge pull request #15 from vincent178/master

READY: vincent178's pull request
updated
Merge branch 'master' of github.com:bay6/prerequisite
resolve merge conflicts
conflict solved
@yipingwang finish pull request
conflict solved v2
readme file
Merge pull request #18 from vincent178/master

READY: fix conflict in readme file
update status
add zlx_pull_request
Merge pull request #20 from zlx/feature/pull_request_task

add zlx_pull_request
add rspec-rails gem
add pull request file
Merge pull request #22 from RyanZhu1024/master

rspec-rails gem added
COOL congratulation graduated
zhangyi2099