Merge pull request #1002 from Manishearth/issues

Add a issue template and specify a *recent* nightly is needed

Author: Manishearth

.github/ISSUE_TEMPLATE.md

@@ -0,0 +1,8 @@
+<!--
+Hi there! Whether you've come to make a suggestion for a new lint, an improvement to an existing lint or to report a bug or a false positive in Clippy, you've come to the right place.
+
+If you want to report that Clippy does not compile, please be sure to be using the *latest version* of *Rust nightly*! Compiler plugins are highly unstable and will only work with a nightly Rust for now. If you are but still have a problem, please let us now!
+
+Thank you for using Clippy!
+
+Write your comment below this line: -->

README.md

@@ -180,10 +180,10 @@ More to come, please [file an issue](https://github.com/Manishearth/rust-clippy/
 
 ### As a Compiler Plugin
 
-Compiler plugins are highly unstable and will only work with a nightly Rust for now.
-Since stable Rust is backwards compatible, you should be able to compile
-your stable programs with nightly Rust with clippy plugged in to circumvent
-this.
+Compiler plugins are highly unstable and will only work with a *recent* nightly
+Rust for now.  Since stable Rust is backwards compatible, you should be able to
+compile your stable programs with nightly Rust with clippy plugged in to
+circumvent this.
 
 Add in your `Cargo.toml`: