Iterator test.
Merge branch 'master' of https://github.com/PDAL/PDAL into iter
More swap work.
Merge branch 'master' of https://github.com/PDAL/PDAL into iter
Working sort filter.
Merge branch 'master' of https://github.com/PDAL/PDAL into iter
Formatting.
initial greyhound plugin
Merge pull request #561 from PDAL/issues/553-greyhound-plugin

initial greyhound plugin
ignore .pyc files
Merge branch 'master' of github.com:PDAL/PDAL
fix title/section delineation in ground tutorial
Merge branch 'master' of github.com:PDAL/PDAL
drivers.oci.reader: override XYZ dimensions to <double> before reading them from XML schema
Add type registration tests.
Merge branch 'master' of https://github.com/PDAL/PDAL
support reading oracle connection string from a filename in addition to simply using the string #548
Merge pull request #548 from PDAL/issues/548-oci-connection-filename

PDAL OCI reader needs a different connection method for GRiD / Greyhound integration
Simplify test names.
Add test for NITF spatial reference option override.