Karl Sandwich

This pull request updates the Cognito instructions so that mentions of "Apps" instead correctly mention "App Clients".

This is a fix for https://github.com/aamine/activerecord4-redshift-adapter/issues/31 This also allows migrations to succeed, whether or not you already have an `schema_migrations` table.

## Overview Running `rake db:migrate` against an existing redshift db fails. This is the first migration in the project, and it is failing to create the `version` column of the...

Mail#send_mail cannot handle a large multiline x-smtpapi header

5

SendgridToolkit::AbstractSendgridClient#api_post calls HTTParty.post using the options key "query" rather than "body". When using the key "query", HTTParty appends the urlencoded options to the URI. With a large x-smtpapi header (eg....