Update the screenshots (about time!)

README.md

@@ -1,7 +1,7 @@
 BBEdit Package for Rust
 =======================
 
-!["A screenshot of the language module"](https://raw.githubusercontent.com/ogham/Rust.bblm/master/screenshot.png)
+!["Screenshots of the Rust BBEdit language module"](screenshots.png)
 
 This is a BBEdit 11 Package for [Rust](http://www.rust-lang.org). It provides the following features:
 
@@ -21,14 +21,14 @@ By default, it highlights anything beginning with a capital letter in a certain
 
 ### Installation
 
-To install this package, simply clone the repo into BBEdit's Packages folder:
+To install this package, simply clone the repo into BBEdit’s Packages folder:
 
 ```bash
 $ git clone https://github.com/ogham/Rust-BBEdit.git ~/Library/Application\ Support/BBEdit/Packages/Rust.bbpackage
 ```
 
-Then restart your BBEdit and it should be picked up. It's necessary for the filename to end in `.bbpackage`.
+Then restart your BBEdit and it should be picked up. It’s necessary for the filename to end in `.bbpackage`.
 
 ### Compilation
 
-To compile your own version, you'll need Xcode. The default schema outputs a `.bblm`. You'll also need the BBEdit SDK. The project assumes it's mounted under `/Volumes/BBEdit SDK`. There's a `Makefile` that runs the build commands.
+To compile your own version, you’ll need Xcode. The default schema outputs a `.bblm`. You’ll also need the BBEdit SDK. The project assumes it’s mounted under `/Volumes/BBEdit SDK`. There’s a `Makefile` that runs the build commands.