Make proper temporary PointRef objects.
Close #631
replace boost::shared_ptr with std::shared_ptr, update docs to reflect what we actually use from Boost
create typedefs for FilterPtr, ReaderPtr, and WriterPtr
on windows, boost filesystem current directory ends in backslash, and does not need a trailing slash appended
use Support::temppath to create temp files in temp directory
remove Application.hpp - unused
PDAL_EMBED_BOOST no longer exists
Eliminate ExtDimType in favor of enhanced DimType.
Merge branch 'master' of https://github.com/PDAL/PDAL
replacing more boost with c++11 where appropriate; moment and density
accumulators are unused
Cache location scaling.
Merge branch 'master' of https://github.com/PDAL/PDAL
Remove debug.
Merge branch 'master' into cpd