goprotobuf: Track file and message indexes, and reserve Descriptor as a message method name.
goprotobuf: Track file and message indexes, and reserve Descriptor as a message method name.

R=r
CC=golang-dev
http://codereview.appspot.com/6568051

adwinsky/goprotobuf,polydawn-ports/goprotobuf,liumuqi/goprotobuf,ruiaylin/goprotobuf,t3rm1n4l/goprotobuf,supiyun/goprotobuf,tonnerre/go-protobuf,wfxiang08/goprotobuf