Add development environment
Add dev tools
Add plenv, ndenv
Install rbenv
Add plenv
Update plenv with Carton
Add ndenv
Merge branch 'dev-environment' of github.com:takkyuuplayer/vagrant-dev2 into dev-environment

Conflicts:
	Berksfile
	Berksfile.lock
Merge pull request #1 from takkyuuplayer/dev-environment

Dev environment

# Merged!