Minor corrections to issue template
Minor corrections to issue template

- `scipy` was misspelled.
- `os.uname` isn't available on Windows.
ljwolf/pysal,weikang9009/pysal,lanselin/pysal,lixun910/pysal,lixun910/pysal,pedrovma/pysal,lixun910/pysal,pysal/pysal,sjsrey/pysal,ljwolf/pysal,ljwolf/pysal