PDAL/PDAL — pull request #584 by chambbj (2014-11-14 02:55:53+00:00)
Title: install cmake 2.8.12 from PPA

CMake 3 still seems to be problematic, but both @abellgithub and I have need for CMake 2.8.8+. This PPA successfully installs 2.8.12 on the Travis VM.