remove typename keyword in PointBufferIter.hpp
Merge pull request #578 from PDAL/issues/576-typename-outside-template

remove typename keyword in PointBufferIter.hpp
Add support for stream redirection/restoration.
Merge branch 'master' of https://github.com/PDAL/PDAL
Merge branch 'master' of https://github.com/PDAL/PDAL into issues/563-base64-metadata