#400

Is your feature request related to a problem? Please describe.
When deploying yorc using the bootstrap command, input labels, as ? Openstack Region. Defaults to 'RegionOne': may be confusing.

Describe the solution you'd like
I would like to be able to get more information about what I should enter in each input, while keeping the default display clear. Maybe using a "?" mark in t

Add a how to use section on readme
Add a guide on how to create a boot drive
Add a guide to compile the linux kernel for firecracker

A version flag that displays the current version of clamp.

Usage : ./main --version or ./main -v
Results in : clamp-core v0.1.0-alpha