tighten native node modules cleanup rules

build/.nativeignore

 # cleanup rules for native node modules, .gitignore style
 
+nan/**
+*/node_modules/nan/**
+
 fsevents/binding.gyp
 fsevents/fsevents.cc
 fsevents/build/**
@@ -83,6 +86,7 @@ node-pty/binding.gyp
 node-pty/build/**
 node-pty/src/**
 node-pty/tools/**
+node-pty/deps/**
 !node-pty/build/Release/*.exe
 !node-pty/build/Release/*.dll
 !node-pty/build/Release/*.node