Update README.md
Merge pull request #21 from neomatrix369/master

Minor fixes and changes to cookbook and Vagrant file
Update README.md
Merge pull request #22 from neomatrix369/master

Some more small changes to the openjdk8 recipe
Merge pull request #23 from neomatrix369/openjdk9-recipe

Openjdk9 recipe added to existing recipes
add gui on boot
Merge branch 'master' of github.com:johnoliver/openjdk-chef-build
change to uncomment code
Merge pull request #25 from johnoliver/master

Enable gui on vm startup
Merge jdk 8 and 9 recipies into one as there is a significant amount of overlap
add documentation
remove unused attribute
Merge pull request #26 from johnoliver/master

Propose merging jdk8 and jdk9 recipies due to a significant amount of overlap between the two