Merge pull request #7 from yeonsik/master

유저정보화면, 리스트 기능 추가 및 페이징처리
포스트 이미지첨부 기능 추가
Merge remote-tracking branch 'devstudy/master' into devstudy
Merge pull request #8 from beomjae/master

포스트에 이미지 첨부기능 추가가
add posts_count to User
add locale config path to config/application.rb
add image upload folder to gitignore
add tag to  posts
add simple_form initializer for boostrap style file input
Merge pull request #9 from junheon/master

Counter cache 추가, 댓글 기능 추가, Bootstrap style form file input
Update README.md
Update README.md
Update README.md
lee eui beom
Merge branch 'master' of https://github.com/dev-study/devRulu
add resizing methods in image_uploader.rb