Throw an exception if normalization is failed.
changed class method to instance method
Added error messages
set format.xls and excel's xml
#68 welcome#index -> users#show
remove unused file
Fixed test failure.
add new fields to user and rename phone_number
rename phone_number in views
refactoring user transaction
move html comment parser to lib
fix error in create method
라우팅 중복문제 해결
find all phonenumbers and replace them to phone_number
add acceptance test and delete unused files
Merge pull request #131 from DonutWorks/feat/add-acceptance-test

add acceptance test and delete unused files
Merge pull request #97 from DonutWorks/refactor/throw-exception-fail-normalizing

Refactor/throw exception fail normalizing
Merge pull request #120 from DonutWorks/welcome-controller-refact

#68 welcome#index -> users#show
Merge pull request #121 from DonutWorks/feat/show-user-list

#103 show user list
Merge pull request #123 from DonutWorks/bug/excel-encoding-error

#89 set format.xls and excel's xml