Merge pull request #8 from ShaneWilton/master

Bump version to 1.0.0 for release to rubygems
Merge pull request #9 from ShaneWilton/master

Add the gem signing certs
Typo: importable -> important
add missing quote on `require` statement
Merge pull request #11 from daveworth/fixup_readme_missing_quote

add missing quote on `require` statement
Specify the OTP algorithm used
do not encrypt if attr_encrypted already set
fix typo
Merge pull request #13 from johnathanludwig/master

Do not encrypt otp_secret if attr_encrypted already set
Add details to the README for how to generate the otp for a user.
Merge branch 'atroutt-master'