Merge pull request #418 from behnam/manifest

[Cargo.toml] Fix package.exclude warnings

Cargo.toml

@@ -11,7 +11,7 @@ readme = "README.md"
 build = "build.rs"
 exclude = [
     "book-example/*",
-    "src/theme/stylus",
+    "src/theme/stylus/**",
 ]
 
 [dependencies]

src/bin/watch.rs

@@ -1,6 +1,4 @@
 extern crate notify;
-extern crate time;
-extern crate crossbeam;
 
 use std::path::Path;
 use self::notify::Watcher;