Rust 2018! (#726)

plume-front/src/editor.rs

@@ -1,3 +1,4 @@
+use crate::CATALOG;
 use serde::{Deserialize, Serialize};
 use serde_json;
 use std::sync::Mutex;
@@ -5,7 +6,6 @@ use stdweb::{
     unstable::{TryFrom, TryInto},
     web::{event::*, html_element::*, *},
 };
-use CATALOG;
 
 macro_rules! mv {
     ( $( $var:ident ),* => $exp:expr ) => {

plume-front/src/main.rs

@@ -1,15 +1,12 @@
 #![recursion_limit = "128"]
 #![feature(decl_macro, proc_macro_hygiene, try_trait)]
 
-extern crate gettext;
 #[macro_use]
 extern crate gettext_macros;
 #[macro_use]
 extern crate lazy_static;
 #[macro_use]
 extern crate stdweb;
-extern crate serde;
-extern crate serde_json;
 use stdweb::web::{event::*, *};
 
 init_i18n!(