Added general ES5 compatibility check and refuse to start when no Object.create support is found.
Added general ES5 compatibility check and refuse to start when no Object.create support is found.

tymiles003/spreed-webrtc,theurere/spreed-webrtc,shelsonjava/spreed-webrtc,gerzhan/spreed-webrtc,strukturag/spreed-webrtc,strukturag/spreed-webrtc,fancycode/spreed-webrtc,theurere/spreed-webrtc,theurere/spreed-webrtc,theurere/spreed-webrtc,theurere/spreed-webrtc,shelsonjava/spreed-webrtc,shelsonjava/spreed-webrtc,tymiles003/spreed-webrtc,tymiles003/spreed-webrtc,tymiles003/spreed-webrtc,theurere/spreed-webrtc,shelsonjava/spreed-webrtc,shelsonjava/spreed-webrtc,gerzhan/spreed-webrtc,tymiles003/spreed-webrtc,gerzhan/spreed-webrtc,shelsonjava/spreed-webrtc,fancycode/spreed-webrtc,fancycode/spreed-webrtc,fancycode/spreed-webrtc,gerzhan/spreed-webrtc,fancycode/spreed-webrtc,shelsonjava/spreed-webrtc,strukturag/spreed-webrtc,gerzhan/spreed-webrtc,gerzhan/spreed-webrtc,fancycode/spreed-webrtc,strukturag/spreed-webrtc,strukturag/spreed-webrtc,gerzhan/spreed-webrtc,strukturag/spreed-webrtc