[MINOR] Add Authorization into Access-Control-Allow-Headers header

Add `Authorization` into `Access-Control-Allow-Headers` header:

    "Access-Control-Allow-Headers": "Origin, Accept, X-Requested-With, Content-Type, Access-Control-Request-Method, Access-Control-Request-Headers, Authorization"

Author: Hao Chen <hao@apache.org>

Closes #851 from haoch/FixAuthHeader.
1 file changed