added config deserializing

src/config.rs

@@ -0,0 +1,30 @@
+extern crate serde;
+extern crate serde_derive;
+extern crate serde_json;
+
+use std::fs::File;
+use std::io::{BufReader, Read};
+use std::path::Path;
+
+use serde::Deserialize;
+use serde_json::Result;
+
+// config structure
+#[derive(Deserialize, Debug)]
+pub struct Configuration {
+    pub ipaddr: String,
+    pub port: i32,
+    pub tv: String,
+    pub active_app: String,
+}
+
+// grab the config
+pub fn init_config() -> Configuration {
+    let mut file = File::open(&Path::new("config.json")).expect("Couldn't grab JSON!");
+    let mut data = String::new();
+    file.read_to_string(&mut data).expect("Poop");
+
+    let config: Configuration = serde_json::from_str(&data).expect("Couldn't parse JSON!");
+
+    config
+}