Add Rocket support

maud/Cargo.toml

@@ -14,3 +14,4 @@ Compile-time HTML templates.
 
 [dependencies]
 iron = { version = "0.4.0", optional = true }
+rocket = { version = "0.1.2", optional = true }

maud/src/lib.rs

@@ -8,6 +8,7 @@
 //! [book]: https://maud.lambda.xyz/
 
 #[cfg(feature = "iron")] extern crate iron;
+#[cfg(feature = "rocket")] extern crate rocket;
 
 use std::fmt::{self, Write};
 
@@ -207,3 +208,16 @@ mod iron_support {
         }
     }
 }
+
+#[cfg(feature = "rocket")]
+mod rocket_support {
+    use rocket::http::Status;
+    use rocket::response::{Responder, Response};
+    use PreEscaped;
+
+    impl Responder<'static> for PreEscaped<String> {
+        fn respond(self) -> Result<Response<'static>, Status> {
+            self.into_string().respond()
+        }
+    }
+}