#186 solved. add validation
#187 change validation timing to before_validate
#188 Fixing Double Link of UserDetail
Merge pull request #194 from DonutWorks/feature/EmailValidation

#186 solved. add validation
Merge pull request #195 from DonutWorks/feature/ChangeValidateTiming

#187 change validation timing to before_validate
Merge pull request #196 from DonutWorks/feature/FixingUserDetailLink

#188 Fixing Double Link of UserDetail
Merge branch 'develop' of https://github.com/DonutWorks/Ari into release/2014.09.23