Merge pull request #5 from hiroraba/fix

Fix bundle install
Merge pull request #6 from hiroraba/fix

Fix install rubygems
Update Vagrantfile
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Update Vagrantfile
Update Vagrantfile
Update Vagrantfile
Update Vagrantfile
Update Vagrantfile
Update Vagrantfile
Update Vagrantfile
Update Vagrantfile
Update Vagrantfile
Update Vagrantfile
Update Vagrantfile
Update Vagrantfile
Update Vagrantfile
Merge branch 'master' into fix

Conflicts:
	Vagrantfile