Adding README.md file

git-svn-id: https://silverstripe-ecommerce.googlecode.com/svn/trunk@5166 950b781c-c544-efab-2f99-90083ee69683
MAJOR overhaul of EcommercePayment functionality, a few BUGFIXES, cleanup, new API, etc....

git-svn-id: https://silverstripe-ecommerce.googlecode.com/svn/trunk@5167 950b781c-c544-efab-2f99-90083ee69683
TYPO

git-svn-id: https://silverstripe-ecommerce.googlecode.com/svn/trunk@5168 950b781c-c544-efab-2f99-90083ee69683