#140 뷰에 무조건전화번호는 짝대기 나오도록
gem updated. bug fixed from gem (#146)
#147 Devise 제거하고도 동작 가능하도록
user routes changed. omniauth-kakao added.
added user_activation, structured users_controller simply.
added activation_ticket
email verify added
Complete kakao login cycle.
Need to rescue exceptions, to create views.
Merge with #153 (issue #147)
refactored with user_activator
send activation mail.
removed spec files not used
removed .DS_Store
added user show page, redirect bug fixed.
Merge branch 'feat/can-see-unstructed-comments' of https://github.com/DonutWorks/Ari into feat/can-see-unstructed-comments
remove background color
피드백 반영
Merge branch 'remove-devise' into always_pass_whether_phonenumber_is_valid_or_invalid

Conflicts:
	Guardfile
	spec/unit/helpers/users_helper_spec.rb
#139 전화번호 - 없이도 인증 가능
#140 적용되지 않았던 뷰까지 적용하고 표현 조건에 대해 보다 더 구체화시킨다