Merge pull request alexcrichton#29 from calebcartwright/early-publish

trigger early release

Author: alexcrichton

README.md

@@ -2,6 +2,9 @@
 
 Repository for automatically publishing the below crates every Tuesday.
 
-- [rustc-ap-rustc_ast](https://crates.io/crates/rustc-ap_rustc_ast)
+- [rustc-ap-rustc_ast][rustc-ast-crate] [![rustc_ast version][rustc-ast-version-badge]][rustc-ast-crate]
 - [rustc-ap-rustc_expand](https://crates.io/crates/rustc-ap_rustc_expand)
 - [rustc-ap-rustc_parse](https://crates.io/crates/rustc-ap_rustc_parse)
+
+[rustc-ast-version-badge]: https://img.shields.io/crates/v/rustc-ap_rustc_ast?style=flat-square
+[rustc-ast-crate]: https://crates.io/crates/rustc-ap_rustc_ast