Updated r.js to 2.1.15.
Updated r.js to 2.1.15.

theurere/spreed-webrtc,theurere/spreed-webrtc,fancycode/spreed-webrtc,theurere/spreed-webrtc,strukturag/spreed-webrtc,gerzhan/spreed-webrtc,strukturag/spreed-webrtc,gerzhan/spreed-webrtc,gerzhan/spreed-webrtc,strukturag/spreed-webrtc,fancycode/spreed-webrtc,shelsonjava/spreed-webrtc,strukturag/spreed-webrtc,theurere/spreed-webrtc,theurere/spreed-webrtc,shelsonjava/spreed-webrtc,shelsonjava/spreed-webrtc,shelsonjava/spreed-webrtc,gerzhan/spreed-webrtc,fancycode/spreed-webrtc,shelsonjava/spreed-webrtc,gerzhan/spreed-webrtc,shelsonjava/spreed-webrtc,gerzhan/spreed-webrtc,shelsonjava/spreed-webrtc,fancycode/spreed-webrtc,fancycode/spreed-webrtc,fancycode/spreed-webrtc,gerzhan/spreed-webrtc,strukturag/spreed-webrtc,theurere/spreed-webrtc,strukturag/spreed-webrtc