Merge branch 'wip'
The master branch
The assets directory config for the assets installer
The assets directory config for the assets installer
Sample preset definitions (to be continued)
Full rebuild
Oups
Finally try with the assets manager
New CSS presets and autoload of the library
Corrections in CSS presets
Oups
Error "forms"
New composer.json
Adding headers when needed
Merge branch 'wip'

Conflicts:
	composer.json
No "dev" or "build" in master
Merge branch 'master' into dev
Updating documentation