chore(package): update karma-webpack to version 1.8.0
chore(package): update karma-webpack to version 1.8.0

https://greenkeeper.io/
fshchudlo/e2e4,eastbanctechru/e2e4,fshchudlo/e2e4,eastbanctechru/e2e4,fshchudlo/e2e4,eastbanctechru/e2e4