BUG: Wrap TransformFileReader, TransformFileWriter.

Missing CMakeLists.txt in the wrapping directory.  Need to explicitly include
the headers after "Template" was appended to the class name.

Suggested-by: Sami Koho <sami.koho@gmail.com>

Change-Id: I6f994bb18f37d5adf1d0f0311fa73506c41239a7
Merge topic 'wrap-transform-io'

bc151240 BUG: Wrap TransformFileReader, TransformFileWriter.