updated readme

Signed-off-by: Rolf Vreijdenberger <rolf@vreijdenberger.nl>
Merge remote-tracking branch 'origin/develop'

Conflicts:
	README.md
izzum
- plantuml generation
Merge remote-tracking branch 'origin/develop'

Conflicts:
	README.md
config updates
travis ci added
travis ci config
composer added
autoloading and composer update
phpunit xml
trying to kill ob_flush error
removed session tests from travis ci build
readme updated
readme
readme
Merge remote-tracking branch 'origin/master' into experimental
plantuml, documentation
Merge remote-tracking branch 'origin/experimental'
Merge remote-tracking branch 'origin/experimental'
added diagram