Add additional 'new' method to Repo

rust-bindings/rust/sample/src/main.rs

@@ -1,16 +1,11 @@
 extern crate gio;
 extern crate libostree;
 
-use gio::prelude::*;
 use libostree::prelude::*;
 
 fn main() {
-    let repo = libostree::Repo::new(&gio::File::new_for_path("test-repo"));
+    let repo = libostree::Repo::new_for_str("test-repo");
 
     let result = repo.create(libostree::RepoMode::Archive, Option::None);
-
     result.expect("we did not expect this to fail :O");
-
-    let path = repo.get_path();
-    println!("path: {}", path.unwrap().get_path().unwrap().to_str().unwrap());
 }