working radiusSearch implementation #176
Merge branch 'master' into issues/176-PointBuffer-index

Conflicts:
	src/PointBuffer.cpp
	test/unit/PointBufferTest.cpp
Merge branch 'master' into issues/176-PointBuffer-index

Conflicts:
	src/PointBuffer.cpp
	test/unit/PointBufferTest.cpp
turn off indexing test for now
turn off debug noise in soci test
return a const& instead of a copy of the pdal::Schema for Reader::getSchema
whitespace normalization
whitespace normalization, documentation, and cleanups of pdal::Writer
pdal::Writer documentation and cleanups
more dox work
const& normalization
dox work
remove Stage::toPTree(). Not really used, and it is a ton of redundant fluff throughout the codebase
Cleanup destructor issues described in #183
make sure to initialize IndexPointBuffer constructors to 0
use the IndexedPointBuffer to provide indexing to pcequal #176
support --2d method for pcequal #176
doc churn
more dox