adding mention of "foreigner," another gem that provides foreign key enforcement at the database level
mentioning a couple often-used gemified versions of assets
Update a bit for Rails 4
Remove section on ActiveResource
Mention Sidekiq
[Fix #62] Update custom validators path
Removing client-side-validations, it is no longer maintained.
Merge pull request #70 from drewda/master

adding mention of "foreigner," another gem that provides foreign key enforcement at the database level
Merge pull request #74 from lunks/remove-cliet-side-validations

Removing client-side-validations, it is no longer maintained.
Fix code indent in Mailers section
Merge pull request #75 from reyesyang/fix-code-indent-in-mailers-section

Fix code indent in Mailers section
fix code highlighting for the snippet on overriding to_param
fixed description of mailer fields
added Mailcatcher as example for local SMTP server
Merge pull request #80 from toao/master

fixed description of mailer fields
Merge pull request #81 from toao/mailer-testing

added Mailcatcher as example for local SMTP server
Merge pull request #79 from rousisk/master

Fix code highlighting for the snippet on overriding to_param
[Fix #72] Correct premailer's URL
Spaces in hash between content and curly brackets.
Merge pull request #83 from gabrielfagundez/master

Spaces in hash between content and curly brackets.