feat(build): src dist without sourcemaps 

chore(release): v2.2.8 

2.2.7 

2.2.6 

2.2.5 

2.2.4 

2.2.3 

2.2.2 

updated package.json for npm module 

Merge pull request DmitryBaranovskiy#1044 from DmitryBaranovskiy/webpack Webpack and v2.2.0