Several fixes and workarounds ...

Hi.
This is my first pull request.
1. I added UTF-8 support, because I write features in Russian
2. I get error: https://gist.github.com/JohnBat26/6412838 when run cucumber.
  and I write workaround with rescue.
3. I have ~ 15 subfolders in feature folder with many features files. But after done with: 
     cucumber  --format PrettyFace::Formatter::Html --out results/index.html features 
   I see detailed features screen only for first subfolder in feature folder :( .
  I suppose, this is a bug