Added rust-encoding as a dependency, in prep for text encoding support.

Cargo.toml

@@ -21,4 +21,5 @@ git = "https://github.com/gchp/rustbox.git"
 git = "https://github.com/PistonDevelopers/freetype-rs.git"
 
 [dependencies]
-rustc-serialize = "*"
+rustc-serialize = "*"
+encoding = "*"

src/main.rs

@@ -7,6 +7,7 @@
 extern crate rustbox;
 extern crate docopt;
 extern crate "rustc-serialize" as rustc_serialize;
+extern crate encoding;
 //extern crate freetype;
 //extern crate sdl2;