Merge pull request #10 from mszymczak-neducatio/master

Added optional java environment.
moved provisioning to separate directory
Merge remote-tracking branch 'upstream/master'
Merge branch 'master' into spring
Moved Vagrantfile back to the root as it shows how you can include this repository in your project by creating new Vagrantfile and changing the path to the manifests.
Merge branch 'master' into spring
Merge pull request #13 from mszymczak-neducatio/spring

Provisioning moved to subdirectory so that it can be easly integrated in any project