Changing gem install to upgrade to support gem version upgrades over time
might as well keep this around since I use Vagrant for testing these cookbook changes
Revert "might as well keep this around since I use Vagrant for testing these cookbook changes"

This reverts commit e47687954c0aed348892169c393c332248a595ac.
Merge pull request #10 from trumant/master

Changing gem install to upgrade to support gem version upgrades over time