constify the PointBuffer::append() functions
Add support for NITF ACFTB and AIMIDB TREs
Merge branch 'PointBuffer-constness' into yosemite-lint
added "-isystem /usr/local/include"

This should serve to shut up all the warnings from system headers (of
which the yosemite clang causes a zillion new ones in boost)
added common header to all unit test files
Merge pull request #524 from PDAL/issues/524-aimidb-afctb-nitf-output

Add AIMIDB and AFCTB records to NITF writer output
Work to regularize PDAL's dependencies and clarify what is really
required vs. what is optional #523
Merge pull request #528 from PDAL/PointBuffer-constness

constify the PointBuffer::append() functions
Merge pull request #529 from PDAL/yosemite-lint

Yosemite lint
Implement IGEOLO support #531
initial draft at PCL submodules
pclblock and pclpipeline relocated, ground and pcl kernels along with pclblock test disabled temporarily
add Kernel, KernelFactory, and KernelInfo, register kernel plugins
make ground and kernel plugins
assume that if the filename starts with http, we are passing a greyhound url
remove cruft
astyle
remove stubs
PCLBlock not required in Filters.hpp
remove Application class, move PCLConversions to pcl plugin folder