Version 1 release
Removed branch alias
Made Payment Messages GridField use readonly config. Messages can't be edited anyway.
Added instructions for setting up PayPal Express
Updated PayPalExpress setup instructions
Documented how to rename/translate gateway names. Removed requirement that gateway name must be uppercase.
Changed README version to something more maintainable.
Created a task for migrating payments from the old payments system
New: Change payment summary fields to display dates nicely
Merge pull request #1 from burnbright/master

Update version of omnipay