Update README.md

On Ubuntu I needed to install "nodejs-legacy", because else mrt give this error: /usr/bin/env: node: No such file or directory
Update README.md

On Ubuntu I needed to install "nodejs-legacy", because else mrt give this error: /usr/bin/env: node: No such file or directory
added new story 4
added jqueryui
added new packages
added sliders
added local test criteria that get updated, when slider is moved
Merge branch 'story4' into story3
merged parts of story4 into story3

refactored story3 a little bit