Add support to create link to issues and req automaticly if url is defined in settings

```
Add support to create link to issues and req automaticly if url is defined in 
settings

eg. add ##1313 in notes
this should trigger a replace text function so it will be a valid link in the 
view charter page.
```

Original issue reported on code.google.com by `mcyr...@gmail.com` on 4 Feb 2014 at 2:06
