add password couchDB
change required user
remove config_couchdb in install_dev
use fabtools to create file /etc/cozy/controller.token
add lowercase in id_generator
remove task test
Merge branch 'feature/passwordCouchDB' of github.com:poupotte/cozy-setup

Conflicts:
	fabfile.py
add headless option to vagrantfile
Merge branch 'master' of github.com:mycozycloud/cozy-setup