Update Vagrantfile
Update devops repo
Redo changes
Correct the value
add roles common (install ntp)
add vars extra for roles
update config vagrant
update README
update README
update README
add the list of essential package
Add file for parameters the VM
update gitignore : add file parameters.rb
refactorisation for the parameters
update README
update README for configuration Vagrantfile
add new package common
fix bug after merge
refactorisation configuration mv in to roles
add new roles mongodb