src: rename N-API with Node-API on comments

Also fixed lint errors.

Fixes: #952
PR-URL: #953
Reviewed-By: Chengzhong Wu <[email protected]>
Reviewed-By: Gabriel Schulhof <[email protected]>

Author: NickNaso

napi-inl.h

@@ -2,9 +2,10 @@
 #define SRC_NAPI_INL_H_
 
 ////////////////////////////////////////////////////////////////////////////////
-// N-API C++ Wrapper Classes
+// Node-API C++ Wrapper Classes
 //
-// Inline header-only implementations for "N-API" ABI-stable C APIs for Node.js.
+// Inline header-only implementations for "Node-API" ABI-stable C APIs for
+// Node.js.
 ////////////////////////////////////////////////////////////////////////////////
 
 // Note: Do not include this file directly! Include "napi.h" instead.