* Make common module Python 3 compatible. * Make plasma module Python 3 compatible. * Make photon module Python 3 compatible. * Make numbuf module Python 3 compatible. * Remaining changes for Python 3 compatibility. * Test Python 3 in Travis. * Fixes.
* Build Ray with setup.py. * Building photon extensions with cmake. * Fix formatting in photon_extension.c * Pip install with sudo in Travis. * Fix plasma __init__.py. * Rename and remove some files.