Updated version number to "2.2.1-SNAPSHOT".
Updated version number to "2.2.1-SNAPSHOT".

cschuller/yak-js,cschuller/yakjs,cschuller/yak-js,cschuller/yakjs,dasMulli/yak-js,cschuller/yak-js,dasMulli/yak-js,dasMulli/yak-js,cschuller/yakjs