changed documentation
better documentation
comments for transactions
traffic light example added
howto/usage
usage and markup
usage and markup
Merge branch 'master' of github.com:rolfvreijdenberger/izzum

Conflicts:
	README.md
usage and examples
documentation
docs
description
Update composer.json
Update README.md
Update composer.json
Update composer.json
composer, psr4, use vendor/autoload.php, demo2trafficlight
classpaths for travis and vendor to the autoload.php
travis fix
removed debug statement