Merge pull request #7 from themetalmuncher/master

More Simple app updates
[improved] debugapp
[improved] errormessages: show stacktrace now
[added] css-rule to format keys
Merge branch 'master' of https://github.com/BeamNG/ui
[fixed] gForce visualization
[fixed] statesyncronization on backend reload
[improved] split-up of specific functions used in play.html (beamng-play.js) and global interface (beamng.js)
[fixed] html shifting when dialog touches the border of the window
[improved] app pictures, more consistent
[improved] dash app - now clickable
[improved] dashapp css
[improved] canvas element css (no modification  needed to main app.css anymore)
[cleanup] apps/SimpleDash/app.js
[fixed] parkingbrake toggle now works
[fixed] clicking to swap units on NBDebug app