update with numbers

Author: steveklabnik

_posts/2017-02-02-Rust-1.15.md

@@ -9,7 +9,7 @@ systems programming language focused on safety, speed, and concurrency.
 
 As always, you can [install Rust 1.15.0][install] from the appropriate page on our
 website, and check out the [detailed release notes for 1.15.0][notes] on GitHub.
-X patches were landed in this release.
+1443 patches were landed in this release.
 
 [install]: https://www.rust-lang.org/install.html
 [notes]: https://github.com/rust-lang/rust/blob/master/RELEASES.md#version-1150-2017-02-02
@@ -269,5 +269,5 @@ only `rust-lang/rust`, but it's not quite done yet. If you'd like to get
 involved, please [check out thanks on
 GitHub](https://github.com/rust-lang-nursery/thanks)!
 
-We had X individuals contribute to Rust 1.15.
+We had 136 individuals contribute to Rust 1.15.
 [Thanks!](https://thanks.rust-lang.org/rust/1.15.0)