[COOK-3668] Only issue notifies to `update-java-alternatives` after all java packages have been installed

Signed-off-by: Seth Vargo <sethvargo@gmail.com>
[COOK-2783] Set the value of `JAVA_HOME` on Windows and add it to the path

Signed-off-by: Seth Vargo <sethvargo@gmail.com>
Update Gemfile, .kitchen.yml, .gitignore to latest versions
Fix JAVA_HOME