attempt to compile with different openscenegraph versions

Force X/Y/Z to be registered as doubles in PLY reader.

Close PDAL#1584

check out full branch for docker

check out full branch for docker

Merge remote-tracking branch 'origin/master' into release-ready

update dead link

update download links to 1.3.0

point to 1.2.0 release

update to 1.1.0 release

point to 1.0.1 release