Revert back to actix 0.10

Until Actix Web 4, we need to use an older version of actix so that the
runtime's match up to version 1.

src/main.rs

@@ -11,7 +11,7 @@ use std::sync::mpsc::channel;
 use std::sync::Arc;
 use std::{env, fs::File};
 
-use actix::{Actor, Addr};
+use actix::prelude::*;
 use actix_files::NamedFile;
 use actix_multipart as mp;
 use actix_web::{
@@ -401,7 +401,7 @@ fn main() -> std::io::Result<()> {
         }
     });
 
-    let system = actix::System::new();
+    let system = actix::System::new("image-api");
     let act = StreamActor {}.start();
 
     let app_data = web::Data::new(AppState {

src/video.rs

@@ -67,7 +67,7 @@ pub async fn create_playlist(video_path: &str, playlist_file: &str) -> Result<Ch
 
     let start_time = std::time::Instant::now();
     loop {
-        actix::clock::sleep(std::time::Duration::from_secs(1)).await;
+        actix::clock::delay_for(std::time::Duration::from_secs(1)).await;
 
         if Path::new(playlist_file).exists()
             || std::time::Instant::now() - start_time > std::time::Duration::from_secs(5)