Update nvm to the tagged v0.5.0 release
Merge pull request #302 from ljharb/update_nvm

Update nvm to the tagged v0.5.0 release
Update Gradle to 1.11
Pre-install Scala 2.11.0 and sbt 0.13.2
Add our pyenv Pythons to the $PATH by default
Merge pull request #303 from dstufft/add-python-to-path

Add our pyenv Pythons to the $PATH by default
Remove an unused template that have been copied by error.
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.