Merge pull request #27 from ikepon/master

Merge pull request #26 from ikepon/develop
delete gem version info #25
add edit_user_path in header menu
fix edit and update in users_controller
add autherize in user_controller #29
add redirect_back_or method
create the base of news_spec #10
create news routes #10
create the base of news_controller #10
create news model #10
creat news_index #10
create news_show #10
fix margin-top at body
setting time format #10
fix title link in index #10
fix class name in show.html.haml #10
fix news spec #10
fix user_spec.rb
add sign_in method when create user
fix login count and time bug