Reading and writing LAS seems to work.
Merge branch 'master' of https://github.com/PDAL/PDAL into las1.4

Conflicts:
	include/pdal/Bounds.hpp
	include/pdal/drivers/las/Header.hpp
	include/pdal/drivers/las/SummaryData.hpp
	include/pdal/drivers/las/Writer.hpp
	src/drivers/las/Header.cpp
	src/drivers/las/LasHeaderReader.cpp
	src/drivers/las/SummaryData.cpp
	src/drivers/las/Support.cpp
	src/drivers/las/Writer.cpp
	src/drivers/nitf/Reader.cpp
Try to make the compiler happy.
More compilation fixes.
Bug fixes and warning cleanup.
Make ZIP stuff work again.
Don't allow waveform point formats.
Merge branch 'master' of https://github.com/PDAL/PDAL into las1.4
Support point formats 6-10.
Merge branch 'master' of https://github.com/PDAL/PDAL into las1.4
Make LAZ really work.
Small build fixes.
Merge branch 'master' of https://github.com/PDAL/PDAL into las1.4

Conflicts:
	include/pdal/drivers/las/Writer.hpp
	src/drivers/las/Reader.cpp
	src/drivers/las/Writer.cpp
Move initialization of zipper/zip point inside ifdef.
Merge branch 'las1.4' of https://github.com/PDAL/PDAL into las1.4

Conflicts:
	src/drivers/las/Writer.cpp
Merge branch 'master' of https://github.com/PDAL/PDAL into las1.4
Merge branch 'master' into las1.4

Conflicts:
	include/pdal/drivers/las/Writer.hpp
	src/drivers/las/Writer.cpp
	test/unit/SpatialReferenceTest.cpp
	test/unit/drivers/las/LasReaderTest.cpp
Missed options fix.
Add default point sizes for 1.4 point types.
Other small changes.
Merge branch 'master' of https://github.com/PDAL/PDAL into las1.4