Merge pull request #83 from Gurr3/master

added short presentation
implemented working webapi for games with the chain place, get question and answer
Merge remote-tracking branch 'upstream/master'
Merge pull request #84 from ahlen/master

implemented working webapi for games with the chain place, get question and answer
started on implementation of the websocket support in the webapi and started to implement a client library in javascript for the quizzingbricks gameboard to manage the lifecycle and state better
Merge remote-tracking branch 'upstream/master'
Merge pull request #85 from ahlen/master

started on implementation of the websocket support in the webapi and started to implement a client library in javascript for the quizzingbricks gameboard to manage the lifecycle and state better
added gitignore for latex