[node] patch a memory leak in NodeMap::request

Creating a v8::Function with
Nan::GetFunction(Nan::New<v8::FunctionTemplate>) can leak, use
Nan::New<v8::Function> instead.

https://code.google.com/p/chromium/issues/detail?id=272579

Releasing Mapbox Android SDK 3.2.0 on 28-Jan-2016

[ios] No manual rotating in heading/course tracking mode

Manually rotating the map in heading or course tracking mode now kicks the user back into location tracking mode.