Undo previous commit: Make all headers public instead.
Undo previous commit: Make all headers public instead.

Apparently, in Cocoapods, all recursive #imports of public headers need
to be public.

google/protobuf,Livefyre/protobuf,Livefyre/protobuf,Livefyre/protobuf,google/protobuf,google/protobuf,google/protobuf,google/protobuf,google/protobuf,Livefyre/protobuf,google/protobuf,google/protobuf,google/protobuf,google/protobuf,Livefyre/protobuf,google/protobuf