Fix issue label number badges

Fixes #460

Author: Relequestual

Diff for: README.md

@@ -13,10 +13,11 @@ Please read our [guidelines for contributing](CONTRIBUTING.md).
 ## Status
 For the current status of issues and pull requests, please see the following labels
 
-[![Available](https://img.shields.io/waffle/label/json-schema-org/json-schema-spec/Status:%20Available.svg?style=flat)](https://github.com/json-schema-org/json-schema-spec/issues?q=is%3Aopen+is%3Aissue+label%3A%22Status%3A+Available%22) [![In Progress](https://img.shields.io/waffle/label/json-schema-org/json-schema-spec/Status:%20In%20Progress.svg?style=flat)](https://github.com/json-schema-org/json-schema-spec/labels/Status:%20In%20Progress) [![Review Needed](https://img.shields.io/waffle/label/json-schema-org/json-schema-spec/Status:%20Review%20Needed.svg?style=flat)](https://github.com/json-schema-org/json-schema-spec/labels/Status%3A%20Review%20Needed)
+[![Available](https://img.shields.io/github/issues/json-schema-org/json-schema-spec/Status:%20Available.svg?color=brightgreen)](https://github.com/json-schema-org/json-schema-spec/issues?q=is%3Aopen+is%3Aissue+label%3A%22Status%3A+Available%22) [![In Progress](https://img.shields.io/github/issues/json-schema-org/json-schema-spec/Status:%20In%20Progress.svg)](https://github.com/json-schema-org/json-schema-spec/labels/Status:%20In%20Progress) [![Review Needed](https://img.shields.io/github/issues/json-schema-org/json-schema-spec/Status:%20Review%20Needed.svg)](https://github.com/json-schema-org/json-schema-spec/labels/Status%3A%20Review%20Needed)
+
+[![Critical](https://img.shields.io/github/issues/json-schema-org/json-schema-spec/Priority:%20Critical.svg?color=critical
+)](https://github.com/json-schema-org/json-schema-spec/labels/Priority%3A%20Critical) [![High](https://img.shields.io/github/issues/json-schema-org/json-schema-spec/Priority:%20High.svg?color=important)](https://github.com/json-schema-org/json-schema-spec/labels/Priority%3A%20High) [![Medium](https://img.shields.io/github/issues/json-schema-org/json-schema-spec/Priority:%20Medium.svg)](https://github.com/json-schema-org/json-schema-spec/labels/Priority%3A%20Medium) [![Low](https://img.shields.io/github/issues/json-schema-org/json-schema-spec/Priority:%20Low.svg)](https://github.com/json-schema-org/json-schema-spec/labels/Priority%3A%20Low) 
 
-[![Critical](https://img.shields.io/waffle/label/json-schema-org/json-schema-spec/Priority:%20Critical.svg?style=flat
-)](https://github.com/json-schema-org/json-schema-spec/labels/Priority%3A%20Critical) [![High](https://img.shields.io/waffle/label/json-schema-org/json-schema-spec/Priority:%20High.svg?style=flat)](https://github.com/json-schema-org/json-schema-spec/labels/Priority%3A%20High) [![Medium](https://img.shields.io/waffle/label/json-schema-org/json-schema-spec/Priority:%20Medium.svg?style=flat)](https://github.com/json-schema-org/json-schema-spec/labels/Priority%3A%20Medium) [![Low](https://img.shields.io/waffle/label/json-schema-org/json-schema-spec/Priority:%20Low.svg?style=flat)](https://github.com/json-schema-org/json-schema-spec/labels/Priority%3A%20Low) 
 
 Labels are assigned based on [Sensible Github Labels](https://github.com/Relequestual/sensible-github-labels).