Only adjust $PATH instead of symlinking to an intermediate directory
Add the non-standard pythonX.Y.Z
Merge pull request #304 from dstufft/dont-symlink-python

Rework Python Support Outside of a Virtualenv
Use consistent (with Ubuntu 14.04) build configuration
Merge pull request #305 from dstufft/consistent-python-build-options

Use consistent (with Ubuntu 14.04) build configuration
Upgrade virtualenv to 1.11.4
Merge pull request #306 from dstufft/upgrade-virtualenv

Upgrade virtualenv to 1.11.4
Fix installing non default packages on virtualenvs with system site packages
Merge pull request #307 from dstufft/install-non-default-packages-system-site-packages

Fix installing non default packages on virtualenvs with system site packages
Update PHP to 5.4.28, 5.5.12 and 5.6.0beta2.
Fix a $HOME relative PATH issue in /etc/profile.d/phpenv.sh.