Options now include color schemes and contrast stretches. Use new PDAL plugin versioning check.
default model units to meters
minimal changes to restore build
Merge pull request #3 from rhinoman/master

Minimal changes to restore build
Add travis config for PRC
Merge pull request #5 from chambbj/issues/4-travis-config

Add travis config for PRC. Closes #4
this is still a little ugly, but we can drop points in different elevation bins, also the lib name is fixed when moving between windows and linux (pdal plugins always need the "lib" prefix)
cleaning up lots of commented code
use new PDAL plugin versioning check
Merge branch 'mac-and-color-bins' of https://github.com/PDAL/PRC into mac-and-color-bins