define age method
Merge pull request #3 from townegr/user-age

define age method
Added user summary method
got rid of merge conflict practice code
create product post
product validations
Added user associations
Add dependent user_id for products
create review spec is passing
fixed merge conflicts
product review specs added and passing
Merge branch 'master' into carrierwave
carrierwave implementation
carrierwave and S3 all setup
product submission specs are passing