Version Bump v3.0.5: swagger/oai updates + accept header fix

CHANGELOG.md

@@ -1,6 +1,13 @@
 # Change Log
 All notable changes to this project will be documented in this file.
 
+## [3.0.5] - 2016-07-05 ##
+### Added
+- Accept: application/json header per https://sendgrid.com/docs/API_Reference/Web_API_v3/How_To_Use_The_Web_API_v3/requests.html
+
+### Updated
+- Content based on our updated [Swagger/OAI doc](https://github.com/sendgrid/sendgrid-oai)
+
 ## [3.0.4] - 2016-06-15 ##
 ### Added
 - Updated dependency on ruby-http-client

README.md

@@ -7,9 +7,9 @@
 
 **BREAKING CHANGE as of 2016.06.14**
 
-Version `2.0.0` is a breaking change for the entire library.
+Version `3.X.X` is a breaking change for the entire library.
 
-Version 2.0.0 brings you full support for all Web API v3 endpoints. We
+Version 3.X.X brings you full support for all Web API v3 endpoints. We
 have the following resources to get you started quickly:
 
 -   [SendGrid
@@ -18,6 +18,7 @@ have the following resources to get you started quickly:
     Documentation](https://github.com/sendgrid/sendgrid-ruby/tree/master/USAGE.md)
 -   [Example
     Code](https://github.com/sendgrid/sendgrid-ruby/tree/master/examples)
+-   [Migration from v2 to v3](https://sendgrid.com/docs/Classroom/Send/v3_Mail_Send/how_to_migrate_from_v2_to_v3_mail_send.html)
 
 Thank you for your continued support!