(fix) Compatibility with Iron 0.0.11 fix: NoMatch error implementation fix, example fixes

Current build fails with:
```
/home/tadas/src/mount/src/mount.rs:35:5: 35:50 error: method `name` is not a member of trait `Error`
/home/tadas/src/mount/src/mount.rs:35     fn name(&self) -> &'static str { "No Match" }
                                          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
error: aborting due to previous error
Could not compile `mount`.
```