arduino due IDE compatibility with eclipse

```
I have tried downloading adruino due IDE(1.5.1) and when I try to enter it to 
eclipse it reported "Arduino folder is not correct!".

Eclipse is a good environment and I think the arduino due IDE should be 
compatible.
```

Original issue reported on code.google.com by `adardda...@gmail.com` on 9 Nov 2012 at 11:25
