Extending PR #310 (silence island warnings) to include w.transform.
Merge pull request #347 from pedrovma/w_silence_island

Merging now for testing CGPySal. Extending PR #310 (silence island warnings) to include w.transform.
- adding nn stats to point based methods
Merge pull request #348 from sjsrey/master

- adding nn stats to point based methods
Merge branch 'master' of https://github.com/pysal/pysal
Merge remote-tracking branch 'origin' into spreg17