don't chop off classification bits #403
Purge old copying code from PointBuffer.  Remove depedent calls().
Merge branch 'point-context' of https://github.com/PDAL/PDAL into point-context

Conflicts:
	include/pdal/Writer.hpp
	src/Writer.cpp
	src/kernel/Translate.cpp
Remove schema from stage.
HexBin to point context.
Merge branch 'point-context' of https://github.com/PDAL/PDAL into point-context

Conflicts:
	src/filters/HexBin.cpp
Add configuration ifdef guard.
update the pcl documentation to include ground filtering example and explanation of parameters
Merge pull request #404 from chambbj/pcl-doc-update

update the pcl documentation to include ground filtering example and explanation of parameters
Fix pipeline files as input to pdal info.
Fix stats output for pdal info.
Fix point listing output for pdal info.
tweak my cmake example
port drivers.pgpointcloud.writer to point-context
Merge branch 'point-context' of github.com:PDAL/PDAL into point-context
Make a simple hexbin test.
Merge branch 'point-context' of https://github.com/PDAL/PDAL into point-context
Merge branch 'master' of https://github.com/PDAL/PDAL into point-context

Conflicts:
	src/drivers/las/Reader.cpp
Add hexbin output file with consistent origin.
Fix build with no hexer.
port drivers.sqlite.writer to point-context -- not really tested yet because OSX sucks
Remove dead code.