correct version 2.2.4
added grunt loader task, format Gruntfile and added grunt-bump (by vojtajina) to release new version
remove LICENSE duplication
Merge pull request #17 from killmenot/minor-updates

Minor updates
Fixed #16.
Added "grunt-contrib-concat" - Ref: #19

https://github.com/muaz-khan/RTCMultiConnection/tree/master/dev