Work in progress on moving to Identity Provider 2.0
Implemented FindByEmailAsync and added example for using identity provider 2 with MVC5
Updated package version numbers
Package update and lockout fix
Version number bump
Fix to FindByEmailAsync to return null when an empty email is passed in
Version number bumps for republishing
Fixed cast issue in FindByEmailAsync()

FindByEmailAsync() was throwing an invalid cast exception when there
were users in the store. The return type of indexResult.Result is
TableUserEmailIndex instead of the expected ApplicationUser. I've
changed the cast and usage, which now works.
Merge pull request #14 from Amethi/master

Fixed cast issue in FindByEmailAsync()