[security fix] rails 3.2.12
[security] rails 3.2.12 -> 3.2.13
[security] require json ~> 1.7.7
[security - heroku] ruby 1.9.2 -> 1.9.3
[security] optionally specify a new secret token using RAILS_SECRET_TOKEN
Merged in develop (pull request #1)

[security fix] rails 3.2.12
updated Gemfile.lock
Merged in develop (pull request #2)

Fix Gemfile.lock