Support for more subscriptions

* Team & Player names loaded and inserted into webpage
* transparent Player visuals become fully visible and show circle when selected
* player and ball are repositioned concerning real data from mobilis
* start button to connect and setup before whole site is visible
* ...
Merge branch 'master' of https://github.com/tudresden/sporteventanalyser
Merge branch 'master' of https://github.com/tudresden/sporteventanalyser