Update README to reflect fork

All references in the README point back to the original repositories.  Since
this is the authoritative location update them to point here.

Swapping these badges reveals two things:
 - Since no releases have been made since the fork, the badge cannot find any releases
 - CI has not been setup for this package so no build information can be found

README.md

diff --git a/README.md b/README.md
index 71c02ba..a51d031 100644
--- a/README.md
+++ b/README.md
@@ -1,17 +1,8 @@
-*__Important:__ `bats-core` has been renamed to `bats-support`. GitHub
-automatically redirects all references, e.g. submodules and clones will
-continue to work, but you are encouraged to [update][github-rename]
-them. Version numbering continues where `bats-core` left off.*
-
-[github-rename]: https://help.github.com/articles/renaming-a-repository/
-
-- - - - -
-
 # bats-support
 
-[![GitHub license](https://img.shields.io/badge/license-CC0-blue.svg)](https://raw.githubusercontent.com/ztombol/bats-support/master/LICENSE)
-[![GitHub release](https://img.shields.io/github/release/ztombol/bats-support.svg)](https://github.com/ztombol/bats-support/releases/latest)
-[![Build Status](https://travis-ci.org/ztombol/bats-support.svg?branch=master)](https://travis-ci.org/ztombol/bats-support)
+[![GitHub license](https://img.shields.io/badge/license-CC0-blue.svg)](https://raw.githubusercontent.com/bats-core/bats-support/master/LICENSE)
+[![GitHub release](https://img.shields.io/github/release/bats-core/bats-support.svg)](https://github.com/bats-core/bats-support/releases/latest)
+[![Build Status](https://travis-ci.org/bats-core/bats-support.svg?branch=master)](https://travis-ci.org/bats-core/bats-support)
 
 `bats-support` is a supporting library providing common functions to
 test helper libraries written for [Bats][bats].
@@ -184,6 +175,6 @@
 
 <!-- REFERENCES -->
 
-[bats]: https://github.com/sstephenson/bats
-[bats-docs]: https://github.com/ztombol/bats-docs
-[bats-assert]: https://github.com/ztombol/bats-assert
+[bats]: https://github.com/bats-core/bats-core
+[bats-docs]: https://github.com/bats-core/bats-docs
+[bats-assert]: https://github.com/bats-core/bats-assert